12156855024 has 40 divisors (see below), whose sum is σ = 31409431632. Its totient is φ = 4051740160.

The previous prime is 12156854971. The next prime is 12156855041. The reversal of 12156855024 is 42055865121.

12156855024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515164 + ... + 538244.

Almost surely, 2^12156855024 is an apocalyptic number.

It is an amenable number.

12156855024 is an abundant number, since it is smaller than the sum of its proper divisors (19252576608).

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

12156855024 is a wasteful number, since it uses less digits than its factorization.

12156855024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34065 (or 34059 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The spelling of 12156855024 in words is "twelve billion, one hundred fifty-six million, eight hundred fifty-five thousand, twenty-four".