12631605996 has 12 divisors (see below), whose sum is σ = 29473747352. Its totient is φ = 4210535328.

The previous prime is 12631605913. The next prime is 12631606021. The reversal of 12631605996 is 69950613621.

It is a happy number.

12631605996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 526316905 + ... + 526316928.

Almost surely, 2^12631605996 is an apocalyptic number.

It is an amenable number.

12631605996 is an abundant number, since it is smaller than the sum of its proper divisors (16842141356).

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

12631605996 is a wasteful number, since it uses less digits than its factorization.

12631605996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052633840 (or 1052633838 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The spelling of 12631605996 in words is "twelve billion, six hundred thirty-one million, six hundred five thousand, nine hundred ninety-six".