12508161412912 has 160 divisors (see below), whose sum is σ = 27229237717248. Its totient is φ = 5516858880000.

The previous prime is 12508161412909. The next prime is 12508161412913. The reversal of 12508161412912 is 21921416180521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12508161412913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1918132212 + ... + 1918138732.

Almost surely, 2^{12508161412912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12508161412912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13614618858624).

12508161412912 is an abundant number, since it is smaller than the sum of its proper divisors (14721076304336).

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

12508161412912 is a wasteful number, since it uses less digits than its factorization.

12508161412912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979 (or 7973 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 12508161412912 in words is "twelve trillion, five hundred eight billion, one hundred sixty-one million, four hundred twelve thousand, nine hundred twelve".