12546800256 has 32 divisors (see below), whose sum is σ = 33327439200. Its totient is φ = 4182266624.

The previous prime is 12546800249. The next prime is 12546800257. The reversal of 12546800256 is 65200864521.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (12546800257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16336596 + ... + 16337363.

It is an arithmetic number, because the mean of its divisors is an integer number (1041482475).

Almost surely, 2^12546800256 is an apocalyptic number.

12546800256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12546800256 is an abundant number, since it is smaller than the sum of its proper divisors (20780638944).

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

12546800256 is an equidigital number, since it uses as much as digits as its factorization.

12546800256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32673976 (or 32673964 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 12546800256 in words is "twelve billion, five hundred forty-six million, eight hundred thousand, two hundred fifty-six".