129984057702048 has 96 divisors (see below), whose sum is σ = 372242105081280. Its totient is φ = 39387517839360.

The previous prime is 129984057702029. The next prime is 129984057702127. The reversal of 129984057702048 is 840207750489921.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a self number, because there is not a number n which added to its sum of digits gives 129984057702048.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23809986 + ... + 28755582.

It is an arithmetic number, because the mean of its divisors is an integer number (3877521927930).

Almost surely, 2^{129984057702048} is an apocalyptic number.

It is an amenable number.

129984057702048 is an abundant number, since it is smaller than the sum of its proper divisors (242258047379232).

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

129984057702048 is a wasteful number, since it uses less digits than its factorization.

129984057702048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970510 (or 4970502 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 129984057702048 in words is "one hundred twenty-nine trillion, nine hundred eighty-four billion, fifty-seven million, seven hundred two thousand, forty-eight".