129072356006 has 24 divisors (see below), whose sum is σ = 213301030152. Its totient is φ = 58533710400.

The previous prime is 129072356003. The next prime is 129072356011. The reversal of 129072356006 is 600653270921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129072356003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511100 + ... + 720671.

It is an arithmetic number, because the mean of its divisors is an integer number (8887542923).

Almost surely, 2^129072356006 is an apocalyptic number.

129072356006 is a deficient number, since it is larger than the sum of its proper divisors (84228674146).

129072356006 is a wasteful number, since it uses less digits than its factorization.

129072356006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232228 (or 1232217 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 129072356006 in words is "one hundred twenty-nine billion, seventy-two million, three hundred fifty-six thousand, six".