12615921840900 has 144 divisors (see below), whose sum is σ = 41895691254144. Its totient is φ = 2871263032320.

The previous prime is 12615921840889. The next prime is 12615921840911. The reversal of 12615921840900 is 904812951621.

12615921840900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12615921840889) and next prime (12615921840911).

It is a super-2 number, since 2×12615921840900² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12615921840900.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12402507 + ... + 13381106.

It is an arithmetic number, because the mean of its divisors is an integer number (290942300376).

Almost surely, 2^{12615921840900} is an apocalyptic number.

12615921840900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12615921840900 is an abundant number, since it is smaller than the sum of its proper divisors (29279769413244).

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

12615921840900 is a wasteful number, since it uses less digits than its factorization.

12615921840900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25783870 (or 25783863 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 12615921840900 in words is "twelve trillion, six hundred fifteen billion, nine hundred twenty-one million, eight hundred forty thousand, nine hundred".