12108613720 has 32 divisors (see below), whose sum is σ = 31136436000. Its totient is φ = 4151524608.

The previous prime is 12108613709. The next prime is 12108613801. The reversal of 12108613720 is 2731680121.

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, 21622245 + ... + 21622804.

It is an arithmetic number, because the mean of its divisors is an integer number (973013625).

Almost surely, 2^12108613720 is an apocalyptic number.

12108613720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12108613720 is an abundant number, since it is smaller than the sum of its proper divisors (19027822280).

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

12108613720 is a wasteful number, since it uses less digits than its factorization.

12108613720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43245067 (or 43245063 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 12108613720 in words is "twelve billion, one hundred eight million, six hundred thirteen thousand, seven hundred twenty".