129994027950684 has 12 divisors (see below), whose sum is σ = 303319398551624. Its totient is φ = 43331342650224.

The previous prime is 129994027950679. The next prime is 129994027950737. The reversal of 129994027950684 is 486059720499921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5416417831267 + ... + 5416417831290.

Almost surely, 2^{129994027950684} is an apocalyptic number.

It is an amenable number.

129994027950684 is an abundant number, since it is smaller than the sum of its proper divisors (173325370600940).

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

129994027950684 is a wasteful number, since it uses less digits than its factorization.

129994027950684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832835662564 (or 10832835662562 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 75.

The spelling of 129994027950684 in words is "one hundred twenty-nine trillion, nine hundred ninety-four billion, twenty-seven million, nine hundred fifty thousand, six hundred eighty-four".