12340928256 has 36 divisors (see below), whose sum is σ = 32844868392. Its totient is φ = 4113642496.

The previous prime is 12340928251. The next prime is 12340928263. The reversal of 12340928256 is 65282904321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340928251) 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, 8033691 + ... + 8035226.

Almost surely, 2^12340928256 is an apocalyptic number.

12340928256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12340928256 is an abundant number, since it is smaller than the sum of its proper divisors (20503940136).

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

12340928256 is an equidigital number, since it uses as much as digits as its factorization.

12340928256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16068936 (or 16068922 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 12340928256 in words is "twelve billion, three hundred forty million, nine hundred twenty-eight thousand, two hundred fifty-six".