It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 012 is not a prime number.
For example, 120 012 can be divided by 2: 120 012 / 2 = 60 006.
For 120 012 to be a prime number, it would have been required that 120 012 has only two divisors, i.e., itself and 1.
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120 012 is an even number, because it is evenly divisible by 2: 120 012 / 2 = 60 006.
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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 120 012 is about 346.427.
Thus, the square root of 120 012 is not an integer, and therefore 120 012 is not a square number.
The square of a number (here 120 012) is the result of the product of this number (120 012) by itself (i.e., 120 012 × 120 012); the square of 120 012 is sometimes called "raising 120 012 to the power 2", or "120 012 squared".
The square of 120 012 is 14 402 880 144 because 120 012 × 120 012 = 120 0122 = 14 402 880 144.
As a consequence, 120 012 is the square root of 14 402 880 144.
The multiples of 120 012 are all integers evenly divisible by 120 012, that is all numbers such that the remainder of the division by 120 012 is zero. There are infinitely many multiples of 120 012. The smallest multiples of 120 012 are: