12052513216 has 56 divisors (see below), whose sum is σ = 24821662320. Its totient is φ = 5799585792.

The previous prime is 12052513139. The next prime is 12052513243. The reversal of 12052513216 is 61231525021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570555 + ... + 591301.

It is an arithmetic number, because the mean of its divisors is an integer number (443243970).

Almost surely, 2^12052513216 is an apocalyptic number.

12052513216 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 12052513216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12410831160).

12052513216 is an abundant number, since it is smaller than the sum of its proper divisors (12769149104).

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

12052513216 is a wasteful number, since it uses less digits than its factorization.

12052513216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21101 (or 21091 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 12052513216 in words is "twelve billion, fifty-two million, five hundred thirteen thousand, two hundred sixteen".