12641216116 has 96 divisors (see below), whose sum is σ = 26617248000. Its totient is φ = 5204441088.

The previous prime is 12641216069. The next prime is 12641216117. The reversal of 12641216116 is 61161214621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641216117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 854430 + ... + 869098.

It is an arithmetic number, because the mean of its divisors is an integer number (277263000).

Almost surely, 2^12641216116 is an apocalyptic number.

It is an amenable number.

12641216116 is an abundant number, since it is smaller than the sum of its proper divisors (13976031884).

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

12641216116 is a wasteful number, since it uses less digits than its factorization.

12641216116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14761 (or 14759 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The spelling of 12641216116 in words is "twelve billion, six hundred forty-one million, two hundred sixteen thousand, one hundred sixteen".