29997506881312 has 48 divisors (see below), whose sum is σ = 62166778158240. Its totient is φ = 14209141436928.

The previous prime is 29997506881289. The next prime is 29997506881339. The reversal of 29997506881312 is 21318860579992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47320108 + ... + 47949844.

It is an arithmetic number, because the mean of its divisors is an integer number (1295141211630).

Almost surely, 2^{29997506881312} is an apocalyptic number.

It is an amenable number.

29997506881312 is an abundant number, since it is smaller than the sum of its proper divisors (32169271276928).

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

29997506881312 is a wasteful number, since it uses less digits than its factorization.

29997506881312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708113 (or 708105 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 70.

The spelling of 29997506881312 in words is "twenty-nine trillion, nine hundred ninety-seven billion, five hundred six million, eight hundred eighty-one thousand, three hundred twelve".