129564832452 has 48 divisors (see below), whose sum is σ = 347159366400. Its totient is φ = 37195644960.

The previous prime is 129564832451. The next prime is 129564832457. The reversal of 129564832452 is 254238465921.

129564832452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 129564832395 and 129564832404.

It is not an unprimeable number, because it can be changed into a prime (129564832451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25827802 + ... + 25832817.

It is an arithmetic number, because the mean of its divisors is an integer number (7232486800).

Almost surely, 2^129564832452 is an apocalyptic number.

129564832452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129564832452 is an abundant number, since it is smaller than the sum of its proper divisors (217594533948).

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

129564832452 is a wasteful number, since it uses less digits than its factorization.

129564832452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51660656 (or 51660654 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The spelling of 129564832452 in words is "one hundred twenty-nine billion, five hundred sixty-four million, eight hundred thirty-two thousand, four hundred fifty-two".