12456861810080 has 48 divisors (see below), whose sum is σ = 29431171040544. Its totient is φ = 4982434033920.

The previous prime is 12456861810061. The next prime is 12456861810097. The reversal of 12456861810080 is 8001816865421.

12456861810080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 155339 + ... + 4993781.

It is an arithmetic number, because the mean of its divisors is an integer number (613149396678).

Almost surely, 2^{12456861810080} is an apocalyptic number.

12456861810080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12456861810080 is an abundant number, since it is smaller than the sum of its proper divisors (16974309230464).

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

12456861810080 is a wasteful number, since it uses less digits than its factorization.

12456861810080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854549 (or 4854541 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 50.

The spelling of 12456861810080 in words is "twelve trillion, four hundred fifty-six billion, eight hundred sixty-one million, eight hundred ten thousand, eighty".