129967393122 has 162 divisors, whose sum is σ = 334710847809. Its totient is φ = 36341252640.

The previous prime is 129967393117. The next prime is 129967393133. The reversal of 129967393122 is 221393769921.

129967393122 is a `hidden beast` number, since 1 + 299 + 6 + 7 + 39 + 312 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88036230681 + 41931162441 = 296709^2 + 204771^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=254919.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 653102379 + ... + 653102577.

Almost surely, 2^129967393122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129967393122

129967393122 is an abundant number, since it is smaller than the sum of its proper divisors (204743454687).

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

129967393122 is an equidigital number, since it uses as much as digits as its factorization.

129967393122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 272 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The spelling of 129967393122 in words is "one hundred twenty-nine billion, nine hundred sixty-seven million, three hundred ninety-three thousand, one hundred twenty-two".