12620723056 has 10 divisors (see below), whose sum is σ = 24452650952. Its totient is φ = 6310361520.

The previous prime is 12620723023. The next prime is 12620723083. The reversal of 12620723056 is 65032702621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394397580 + ... + 394397611.

Almost surely, 2^12620723056 is an apocalyptic number.

12620723056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12620723056 is a deficient number, since it is larger than the sum of its proper divisors (11831927896).

12620723056 is an equidigital number, since it uses as much as digits as its factorization.

12620723056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788795199 (or 788795193 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 12620723056 in words is "twelve billion, six hundred twenty million, seven hundred twenty-three thousand, fifty-six".