12631642131 has 8 divisors (see below), whose sum is σ = 16945516480. Its totient is φ = 8369431272.

The previous prime is 12631642099. The next prime is 12631642147. The reversal of 12631642131 is 13124613621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12631642131 - 2⁵ = 12631642099 is a prime.

It is a super-2 number, since 2×12631642131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12631642171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12915301 + ... + 12916278.

It is an arithmetic number, because the mean of its divisors is an integer number (2118189560).

Almost surely, 2^12631642131 is an apocalyptic number.

12631642131 is a deficient number, since it is larger than the sum of its proper divisors (4313874349).

12631642131 is a wasteful number, since it uses less digits than its factorization.

12631642131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831745.

The product of its digits is 5184, while the sum is 30.

The spelling of 12631642131 in words is "twelve billion, six hundred thirty-one million, six hundred forty-two thousand, one hundred thirty-one".