12031551504 has 60 divisors (see below), whose sum is σ = 38481870336. Its totient is φ = 3437585856.

The previous prime is 12031551503. The next prime is 12031551509. The reversal of 12031551504 is 40515513021.

12031551504 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 155 + 1 + 504 = 666.

It is not an unprimeable number, because it can be changed into a prime (12031551503) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5967024 + ... + 5969039.

Almost surely, 2^12031551504 is an apocalyptic number.

12031551504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12031551504 is an abundant number, since it is smaller than the sum of its proper divisors (26450318832).

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

12031551504 is a wasteful number, since it uses less digits than its factorization.

12031551504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11936084 (or 11936075 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 12031551504 in words is "twelve billion, thirty-one million, five hundred fifty-one thousand, five hundred four".