129999998968932 has 24 divisors (see below), whose sum is σ = 307488582038176. Its totient is φ = 42739725688128.

The previous prime is 129999998968921. The next prime is 129999998968969. The reversal of 129999998968932 is 239869899999921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74200911778 + ... + 74200913529.

Almost surely, 2^{129999998968932} is an apocalyptic number.

129999998968932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129999998968932 is an abundant number, since it is smaller than the sum of its proper divisors (177488583069244).

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

129999998968932 is a wasteful number, since it uses less digits than its factorization.

129999998968932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148401825387 (or 148401825385 counting only the distinct ones).

The product of its digits is 198359290368, while the sum is 102.

The spelling of 129999998968932 in words is "one hundred twenty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-eight million, nine hundred sixty-eight thousand, nine hundred thirty-two".