129512107159 has 4 divisors (see below), whose sum is σ = 130082645304. Its totient is φ = 128941569016.

The previous prime is 129512107147. The next prime is 129512107169. The reversal of 129512107159 is 951701215921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129512107159 - 2⁷ = 129512107031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129512107169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285268732 + ... + 285269185.

It is an arithmetic number, because the mean of its divisors is an integer number (32520661326).

Almost surely, 2^129512107159 is an apocalyptic number.

129512107159 is a deficient number, since it is larger than the sum of its proper divisors (570538145).

129512107159 is an equidigital number, since it uses as much as digits as its factorization.

129512107159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570538144.

The product of its (nonzero) digits is 56700, while the sum is 43.

The spelling of 129512107159 in words is "one hundred twenty-nine billion, five hundred twelve million, one hundred seven thousand, one hundred fifty-nine".