129013030692 has 192 divisors, whose sum is σ = 429564764160. Its totient is φ = 32545991808.

The previous prime is 129013030673. The next prime is 129013030703. The reversal of 129013030692 is 296030310921.

It is a happy number.

129013030692 is a `hidden beast` number, since 1 + 290 + 1 + 303 + 0 + 69 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59328 + ... + 511415.

It is an arithmetic number, because the mean of its divisors is an integer number (2237316480).

Almost surely, 2^129013030692 is an apocalyptic number.

129013030692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129013030692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214782382080).

129013030692 is an abundant number, since it is smaller than the sum of its proper divisors (300551733468).

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

129013030692 is a wasteful number, since it uses less digits than its factorization.

129013030692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570799 (or 570791 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 129013030692 in words is "one hundred twenty-nine billion, thirteen million, thirty thousand, six hundred ninety-two".