12534112500 has 288 divisors, whose sum is σ = 45003619584. Its totient is φ = 2643840000.

The previous prime is 12534112477. The next prime is 12534112531. The reversal of 12534112500 is 521143521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3410664 + ... + 3414336.

It is an arithmetic number, because the mean of its divisors is an integer number (156262568).

Almost surely, 2^12534112500 is an apocalyptic number.

12534112500 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 12534112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22501809792).

12534112500 is an abundant number, since it is smaller than the sum of its proper divisors (32469507084).

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

12534112500 is a wasteful number, since it uses less digits than its factorization.

12534112500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725 (or 3703 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12534112500 in words is "twelve billion, five hundred thirty-four million, one hundred twelve thousand, five hundred".