29997506889512 has 32 divisors (see below), whose sum is σ = 56889426470400. Its totient is φ = 14827065052800.

The previous prime is 29997506889479. The next prime is 29997506889521. The reversal of 29997506889512 is 21598860579992.

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, 1150664 + ... + 7830647.

It is an arithmetic number, because the mean of its divisors is an integer number (1777794577200).

Almost surely, 2^{29997506889512} is an apocalyptic number.

It is an amenable number.

29997506889512 is a deficient number, since it is larger than the sum of its proper divisors (26891919580888).

29997506889512 is a wasteful number, since it uses less digits than its factorization.

29997506889512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8986097 (or 8986093 counting only the distinct ones).

The product of its (nonzero) digits is 1763596800, while the sum is 80.

The spelling of 29997506889512 in words is "twenty-nine trillion, nine hundred ninety-seven billion, five hundred six million, eight hundred eighty-nine thousand, five hundred twelve".