12452057056 has 48 divisors (see below), whose sum is σ = 25940597760. Its totient is φ = 5867406720.

The previous prime is 12452057053. The next prime is 12452057129. The reversal of 12452057056 is 65075025421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452057053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62515 + ... + 169741.

It is an arithmetic number, because the mean of its divisors is an integer number (540429120).

Almost surely, 2^12452057056 is an apocalyptic number.

12452057056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12452057056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12970298880).

12452057056 is an abundant number, since it is smaller than the sum of its proper divisors (13488540704).

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

12452057056 is a wasteful number, since it uses less digits than its factorization.

12452057056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107447 (or 107439 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 12452057056 in words is "twelve billion, four hundred fifty-two million, fifty-seven thousand, fifty-six".