It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 121 012 is not a prime number.
For example, 121 012 can be divided by 2: 121 012 / 2 = 60 506.
For 121 012 to be a prime number, it would have been required that 121 012 has only two divisors, i.e., itself and 1.
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121 012 is an even number, because it is evenly divisible by 2: 121 012 / 2 = 60 506.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 121 012 is about 347.868.
Thus, the square root of 121 012 is not an integer, and therefore 121 012 is not a square number.
The square of a number (here 121 012) is the result of the product of this number (121 012) by itself (i.e., 121 012 × 121 012); the square of 121 012 is sometimes called "raising 121 012 to the power 2", or "121 012 squared".
The square of 121 012 is 14 643 904 144 because 121 012 × 121 012 = 121 0122 = 14 643 904 144.
As a consequence, 121 012 is the square root of 14 643 904 144.
The multiples of 121 012 are all integers evenly divisible by 121 012, that is all numbers such that the remainder of the division by 121 012 is zero. There are infinitely many multiples of 121 012. The smallest multiples of 121 012 are: