12529234872 has 320 divisors, whose sum is σ = 46329719040. Its totient is φ = 3062707200.

The previous prime is 12529234831. The next prime is 12529234897. The reversal of 12529234872 is 27843292521.

12529234872 is a `hidden beast` number, since 12 + 5 + 292 + 348 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 840847 + ... + 855617.

It is an arithmetic number, because the mean of its divisors is an integer number (144780372).

Almost surely, 2^12529234872 is an apocalyptic number.

12529234872 is a gapful number since it is divisible by the number (12) 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 12529234872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23164859520).

12529234872 is an abundant number, since it is smaller than the sum of its proper divisors (33800484168).

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

12529234872 is a wasteful number, since it uses less digits than its factorization.

12529234872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14824 (or 14811 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 12529234872 in words is "twelve billion, five hundred twenty-nine million, two hundred thirty-four thousand, eight hundred seventy-two".