12331855772 has 12 divisors (see below), whose sum is σ = 21987931896. Its totient is φ = 6049589520.

The previous prime is 12331855751. The next prime is 12331855801. The reversal of 12331855772 is 27755813321.

It is a hoax number, since the sum of its digits (44) 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29084354 + ... + 29084777.

It is an arithmetic number, because the mean of its divisors is an integer number (1832327658).

Almost surely, 2^12331855772 is an apocalyptic number.

It is an amenable number.

12331855772 is a deficient number, since it is larger than the sum of its proper divisors (9656076124).

12331855772 is a wasteful number, since it uses less digits than its factorization.

12331855772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58169188 (or 58169186 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The spelling of 12331855772 in words is "twelve billion, three hundred thirty-one million, eight hundred fifty-five thousand, seven hundred seventy-two".