12642563360 has 48 divisors (see below), whose sum is σ = 34134924096. Its totient is φ = 4334592768.

The previous prime is 12642563359. The next prime is 12642563419. The reversal of 12642563360 is 6336524621.

It is a happy number.

It is a super-2 number, since 2×12642563360² (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, 5642882 + ... + 5645121.

It is an arithmetic number, because the mean of its divisors is an integer number (711144252).

Almost surely, 2^12642563360 is an apocalyptic number.

12642563360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12642563360 is an abundant number, since it is smaller than the sum of its proper divisors (21492360736).

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

12642563360 is a wasteful number, since it uses less digits than its factorization.

12642563360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288025 (or 11288017 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 12642563360 in words is "twelve billion, six hundred forty-two million, five hundred sixty-three thousand, three hundred sixty".