12053031056 has 20 divisors (see below), whose sum is σ = 25475725104. Its totient is φ = 5478650400.

The previous prime is 12053031049. The next prime is 12053031077. The reversal of 12053031056 is 65013035021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34241390 + ... + 34241741.

Almost surely, 2^12053031056 is an apocalyptic number.

12053031056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12053031056 is an abundant number, since it is smaller than the sum of its proper divisors (13422694048).

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

12053031056 is a wasteful number, since it uses less digits than its factorization.

12053031056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68483150 (or 68483144 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 12053031056 its reverse (65013035021), we get a palindrome (77066066077).

The spelling of 12053031056 in words is "twelve billion, fifty-three million, thirty-one thousand, fifty-six".