12631316918 has 8 divisors (see below), whose sum is σ = 20669427720. Its totient is φ = 5741507680.

The previous prime is 12631316917. The next prime is 12631316921. The reversal of 12631316918 is 81961313621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631316917) 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, 287075363 + ... + 287075406.

It is an arithmetic number, because the mean of its divisors is an integer number (2583678465).

Almost surely, 2^12631316918 is an apocalyptic number.

12631316918 is a deficient number, since it is larger than the sum of its proper divisors (8038110802).

12631316918 is a wasteful number, since it uses less digits than its factorization.

12631316918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574150782.

The product of its digits is 46656, while the sum is 41.

The spelling of 12631316918 in words is "twelve billion, six hundred thirty-one million, three hundred sixteen thousand, nine hundred eighteen".