12053005856 has 12 divisors (see below), whose sum is σ = 23729355342. Its totient is φ = 6026502912.

The previous prime is 12053005847. The next prime is 12053005903. The reversal of 12053005856 is 65850035021.

It can be written as a sum of positive squares in only one way, i.e., 11986746256 + 66259600 = 109484^2 + 8140^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188328185 + ... + 188328248.

Almost surely, 2^12053005856 is an apocalyptic number.

12053005856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12053005856 is a deficient number, since it is larger than the sum of its proper divisors (11676349486).

12053005856 is an equidigital number, since it uses as much as digits as its factorization.

12053005856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376656443 (or 376656435 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 12053005856 in words is "twelve billion, fifty-three million, five thousand, eight hundred fifty-six".