12653604312 has 64 divisors (see below), whose sum is σ = 32042424960. Its totient is φ = 4163500800.

The previous prime is 12653604283. The next prime is 12653604319. The reversal of 12653604312 is 21340635621.

It is a super-2 number, since 2×12653604312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653604319) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3426387 + ... + 3430077.

It is an arithmetic number, because the mean of its divisors is an integer number (500662890).

Almost surely, 2^12653604312 is an apocalyptic number.

12653604312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12653604312 is an abundant number, since it is smaller than the sum of its proper divisors (19388820648).

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

12653604312 is a wasteful number, since it uses less digits than its factorization.

12653604312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504 (or 5500 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 12653604312 in words is "twelve billion, six hundred fifty-three million, six hundred four thousand, three hundred twelve".