129552353232 has 40 divisors (see below), whose sum is σ = 342460101984. Its totient is φ = 42179835264.

The previous prime is 129552353221. The next prime is 129552353257. The reversal of 129552353232 is 232353255921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31381743 + ... + 31385870.

Almost surely, 2^129552353232 is an apocalyptic number.

129552353232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129552353232 is an abundant number, since it is smaller than the sum of its proper divisors (212907748752).

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

129552353232 is a wasteful number, since it uses less digits than its factorization.

129552353232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62767667 (or 62767661 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The spelling of 129552353232 in words is "one hundred twenty-nine billion, five hundred fifty-two million, three hundred fifty-three thousand, two hundred thirty-two".