12880665344 has 36 divisors (see below), whose sum is σ = 26828898096. Its totient is φ = 6160315392.

The previous prime is 12880665319. The next prime is 12880665359. The reversal of 12880665344 is 44356608821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087919 + ... + 1099694.

Almost surely, 2^12880665344 is an apocalyptic number.

It is an amenable number.

12880665344 is an abundant number, since it is smaller than the sum of its proper divisors (13948232752).

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

12880665344 is an equidigital number, since it uses as much as digits as its factorization.

12880665344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187652 (or 2187638 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 12880665344 in words is "twelve billion, eight hundred eighty million, six hundred sixty-five thousand, three hundred forty-four".