12688981162 has 16 divisors (see below), whose sum is σ = 22361002272. Its totient is φ = 5324047920.

The previous prime is 12688981133. The next prime is 12688981171. The reversal of 12688981162 is 26118988621.

It is a happy number.

It is a super-2 number, since 2×12688981162² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22183248 + ... + 22183819.

It is an arithmetic number, because the mean of its divisors is an integer number (1397562642).

Almost surely, 2^12688981162 is an apocalyptic number.

12688981162 is a deficient number, since it is larger than the sum of its proper divisors (9672021110).

12688981162 is a wasteful number, since it uses less digits than its factorization.

12688981162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44367093.

The product of its digits is 663552, while the sum is 52.

The spelling of 12688981162 in words is "twelve billion, six hundred eighty-eight million, nine hundred eighty-one thousand, one hundred sixty-two".