12504660560 has 160 divisors (see below), whose sum is σ = 33804384000. Its totient is φ = 4213223424.

The previous prime is 12504660559. The next prime is 12504660599. The reversal of 12504660560 is 6506640521.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 12504660560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20398814 + ... + 20399426.

It is an arithmetic number, because the mean of its divisors is an integer number (211277400).

Almost surely, 2^12504660560 is an apocalyptic number.

12504660560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12504660560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16902192000).

12504660560 is an abundant number, since it is smaller than the sum of its proper divisors (21299723440).

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

12504660560 is a wasteful number, since it uses less digits than its factorization.

12504660560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 12504660560 in words is "twelve billion, five hundred four million, six hundred sixty thousand, five hundred sixty".