12631324616 has 16 divisors (see below), whose sum is σ = 23709859440. Its totient is φ = 6308695440.

The previous prime is 12631324597. The next prime is 12631324619. The reversal of 12631324616 is 61642313621.

It is not an unprimeable number, because it can be changed into a prime (12631324619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863150 + ... + 877661.

It is an arithmetic number, because the mean of its divisors is an integer number (1481866215).

Almost surely, 2^12631324616 is an apocalyptic number.

It is an amenable number.

12631324616 is a deficient number, since it is larger than the sum of its proper divisors (11078534824).

12631324616 is a wasteful number, since it uses less digits than its factorization.

12631324616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741724 (or 1741720 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The spelling of 12631324616 in words is "twelve billion, six hundred thirty-one million, three hundred twenty-four thousand, six hundred sixteen".