12456932480 has 64 divisors (see below), whose sum is σ = 31074667200. Its totient is φ = 4766125056.

The previous prime is 12456932479. The next prime is 12456932497. The reversal of 12456932480 is 8423965421.

12456932480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×12456932480² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408410 + ... + 437849.

It is an arithmetic number, because the mean of its divisors is an integer number (485541675).

Almost surely, 2^12456932480 is an apocalyptic number.

12456932480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12456932480 is an abundant number, since it is smaller than the sum of its proper divisors (18617734720).

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

12456932480 is an equidigital number, since it uses as much as digits as its factorization.

12456932480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846301 (or 846289 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 12456932480 in words is "twelve billion, four hundred fifty-six million, nine hundred thirty-two thousand, four hundred eighty".