120156612 has 48 divisors (see below), whose sum is σ = 304899840. Its totient is φ = 36675072.

The previous prime is 120156601. The next prime is 120156643. The reversal of 120156612 is 216651021.

It is a super-2 number, since 2×120156612² = 28875222814637088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412 + ... + 15507.

It is an arithmetic number, because the mean of its divisors is an integer number (6352080).

Almost surely, 2^120156612 is an apocalyptic number.

120156612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120156612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152449920).

120156612 is an abundant number, since it is smaller than the sum of its proper divisors (184743228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120156612 is a wasteful number, since it uses less digits than its factorization.

120156612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15980 (or 15978 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 120156612 is about 10961.5971464016. The cubic root of 120156612 is about 493.4568984775.

The spelling of 120156612 in words is "one hundred twenty million, one hundred fifty-six thousand, six hundred twelve".