12534500264 has 64 divisors (see below), whose sum is σ = 27640872000. Its totient is φ = 5253534720.

The previous prime is 12534500243. The next prime is 12534500291. The reversal of 12534500264 is 46200543521.

It is a super-2 number, since 2×12534500264² (a number of 21 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 12534500264.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148867 + ... + 1159725.

It is an arithmetic number, because the mean of its divisors is an integer number (431888625).

Almost surely, 2^12534500264 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 12534500264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13820436000).

12534500264 is an abundant number, since it is smaller than the sum of its proper divisors (15106371736).

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

12534500264 is a wasteful number, since it uses less digits than its factorization.

12534500264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11898 (or 11894 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 12534500264 in words is "twelve billion, five hundred thirty-four million, five hundred thousand, two hundred sixty-four".