120312152 has 16 divisors (see below), whose sum is σ = 228304440. Its totient is φ = 59430976.

The previous prime is 120312131. The next prime is 120312169. The reversal of 120312152 is 251213021.

It is a happy number.

It is a super-2 number, since 2×120312152² = 28950027837742208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120312152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89933 + ... + 91260.

Almost surely, 2^120312152 is an apocalyptic number.

It is an amenable number.

120312152 is a deficient number, since it is larger than the sum of its proper divisors (107992288).

120312152 is a wasteful number, since it uses less digits than its factorization.

120312152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181282 (or 181278 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 120312152 is about 10968.6896209164. The cubic root of 120312152 is about 493.6697295776.

Adding to 120312152 its reverse (251213021), we get a palindrome (371525173).

The spelling of 120312152 in words is "one hundred twenty million, three hundred twelve thousand, one hundred fifty-two".