129252839999999 has 8 divisors (see below), whose sum is σ = 129358823666688. Its totient is φ = 129146857935480.

The previous prime is 129252839999993. The next prime is 129252840000001. The reversal of 129252839999999 is 999999938252921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129252839999999 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 (129252839999993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203446574 + ... + 204080900.

It is an arithmetic number, because the mean of its divisors is an integer number (16169852958336).

Almost surely, 2^{129252839999999} is an apocalyptic number.

129252839999999 is a deficient number, since it is larger than the sum of its proper divisors (105983666689).

129252839999999 is a wasteful number, since it uses less digits than its factorization.

129252839999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801085.

The product of its digits is 41324852160, while the sum is 95.

The spelling of 129252839999999 in words is "one hundred twenty-nine trillion, two hundred fifty-two billion, eight hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".