12653665024 has 324 divisors, whose sum is σ = 34687227792. Its totient is φ = 4482846720.

The previous prime is 12653665019. The next prime is 12653665093. The reversal of 12653665024 is 42056635621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 188860639 + ... + 188860705.

Almost surely, 2^12653665024 is an apocalyptic number.

12653665024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12653665024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17343613896).

12653665024 is an abundant number, since it is smaller than the sum of its proper divisors (22033562768).

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

12653665024 is an equidigital number, since it uses as much as digits as its factorization.

12653665024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 12653665024 in words is "twelve billion, six hundred fifty-three million, six hundred sixty-five thousand, twenty-four".