129192044896 has 96 divisors (see below), whose sum is σ = 259154834400. Its totient is φ = 63390412800.

The previous prime is 129192044887. The next prime is 129192044897. The reversal of 129192044896 is 698440291921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129192044897) 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, 247969116 + ... + 247969636.

It is an arithmetic number, because the mean of its divisors is an integer number (2699529525).

Almost surely, 2^129192044896 is an apocalyptic number.

129192044896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129192044896 is an abundant number, since it is smaller than the sum of its proper divisors (129962789504).

129192044896 is a wasteful number, since it uses less digits than its factorization.

129192044896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 129192044896 in words is "one hundred twenty-nine billion, one hundred ninety-two million, forty-four thousand, eight hundred ninety-six".