12331631788 has 24 divisors (see below), whose sum is σ = 25961331200. Its totient is φ = 5006827728.

The previous prime is 12331631779. The next prime is 12331631821. The reversal of 12331631788 is 88713613321.

12331631788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11589348 + ... + 11590411.

Almost surely, 2^12331631788 is an apocalyptic number.

It is an amenable number.

12331631788 is an abundant number, since it is smaller than the sum of its proper divisors (13629699412).

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

12331631788 is a wasteful number, since it uses less digits than its factorization.

12331631788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23179789 (or 23179787 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The spelling of 12331631788 in words is "twelve billion, three hundred thirty-one million, six hundred thirty-one thousand, seven hundred eighty-eight".