12689067372 has 12 divisors (see below), whose sum is σ = 29607823896. Its totient is φ = 4229689120.

The previous prime is 12689067329. The next prime is 12689067383. The reversal of 12689067372 is 27376098621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12689067372² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 528711129 + ... + 528711152.

It is an arithmetic number, because the mean of its divisors is an integer number (2467318658).

Almost surely, 2^12689067372 is an apocalyptic number.

12689067372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12689067372 is an abundant number, since it is smaller than the sum of its proper divisors (16918756524).

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

12689067372 is a wasteful number, since it uses less digits than its factorization.

12689067372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057422288 (or 1057422286 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 12689067372 in words is "twelve billion, six hundred eighty-nine million, sixty-seven thousand, three hundred seventy-two".