12108616056 has 48 divisors (see below), whose sum is σ = 32861602800. Its totient is φ = 4027905792.

The previous prime is 12108616033. The next prime is 12108616057. The reversal of 12108616056 is 65061680121.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12108616056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12108616057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137601 + ... + 207728.

It is an arithmetic number, because the mean of its divisors is an integer number (684616725).

Almost surely, 2^12108616056 is an apocalyptic number.

It is an amenable number.

12108616056 is an abundant number, since it is smaller than the sum of its proper divisors (20752986744).

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

12108616056 is a wasteful number, since it uses less digits than its factorization.

12108616056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345828 (or 345821 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 12108616056 in words is "twelve billion, one hundred eight million, six hundred sixteen thousand, fifty-six".