129232032725 has 12 divisors (see below), whose sum is σ = 162504732960. Its totient is φ = 101929489200.

The previous prime is 129232032701. The next prime is 129232032731. The reversal of 129232032725 is 527230232921.

It is a de Polignac number, because none of the positive numbers 2^k-129232032725 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36401615 + ... + 36405164.

It is an arithmetic number, because the mean of its divisors is an integer number (13542061080).

Almost surely, 2^129232032725 is an apocalyptic number.

It is an amenable number.

129232032725 is a deficient number, since it is larger than the sum of its proper divisors (33272700235).

129232032725 is an equidigital number, since it uses as much as digits as its factorization.

129232032725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72806860 (or 72806855 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 129232032725 in words is "one hundred twenty-nine billion, two hundred thirty-two million, thirty-two thousand, seven hundred twenty-five".