129854314572 has 48 divisors (see below), whose sum is σ = 316240028160. Its totient is φ = 41393265408.

The previous prime is 129854314559. The next prime is 129854314573. The reversal of 129854314572 is 275413458921.

129854314572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (129854314573) 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, 1195188 + ... + 1299300.

It is an arithmetic number, because the mean of its divisors is an integer number (6588333920).

Almost surely, 2^129854314572 is an apocalyptic number.

129854314572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129854314572 is an abundant number, since it is smaller than the sum of its proper divisors (186385713588).

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

129854314572 is a wasteful number, since it uses less digits than its factorization.

129854314572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108662 (or 108660 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The spelling of 129854314572 in words is "one hundred twenty-nine billion, eight hundred fifty-four million, three hundred fourteen thousand, five hundred seventy-two".