129316970892 has 24 divisors (see below), whose sum is σ = 302217809152. Its totient is φ = 43037341200.

The previous prime is 129316970869. The next prime is 129316970927. The reversal of 129316970892 is 298079613921.

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, 8531584 + ... + 8546727.

Almost surely, 2^129316970892 is an apocalyptic number.

129316970892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129316970892 is an abundant number, since it is smaller than the sum of its proper divisors (172900838260).

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

129316970892 is a wasteful number, since it uses less digits than its factorization.

129316970892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17078949 (or 17078947 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 57.

The spelling of 129316970892 in words is "one hundred twenty-nine billion, three hundred sixteen million, nine hundred seventy thousand, eight hundred ninety-two".