12631415216 has 30 divisors (see below), whose sum is σ = 28469020500. Its totient is φ = 5413463328.

The previous prime is 12631415201. The next prime is 12631415219. The reversal of 12631415216 is 61251413621.

It is not an unprimeable number, because it can be changed into a prime (12631415219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8054966 + ... + 8056533.

It is an arithmetic number, because the mean of its divisors is an integer number (948967350).

Almost surely, 2^12631415216 is an apocalyptic number.

12631415216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12631415216 is an abundant number, since it is smaller than the sum of its proper divisors (15837605284).

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

12631415216 is a wasteful number, since it uses less digits than its factorization.

12631415216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16111521 (or 16111508 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

Adding to 12631415216 its reverse (61251413621), we get a palindrome (73882828837).

The spelling of 12631415216 in words is "twelve billion, six hundred thirty-one million, four hundred fifteen thousand, two hundred sixteen".