120155012 has 12 divisors (see below), whose sum is σ = 221338320. Its totient is φ = 56915496.

The previous prime is 120154927. The next prime is 120155023. The reversal of 120155012 is 210551021.

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 3 ways as a sum of consecutive naturals, for example, 790418 + ... + 790569.

It is an arithmetic number, because the mean of its divisors is an integer number (18444860).

Almost surely, 2^120155012 is an apocalyptic number.

It is an amenable number.

120155012 is a deficient number, since it is larger than the sum of its proper divisors (101183308).

120155012 is a wasteful number, since it uses less digits than its factorization.

120155012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581010 (or 1581008 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 120155012 is about 10961.5241640932. The cubic root of 120155012 is about 493.4547081845.

The spelling of 120155012 in words is "one hundred twenty million, one hundred fifty-five thousand, twelve".