29988982912 has 64 divisors (see below), whose sum is σ = 68585126400. Its totient is φ = 12794701824.

The previous prime is 29988982909. The next prime is 29988982943. The reversal of 29988982912 is 21928988992.

It is a tau number, because it is divible by the number of its divisors (64).

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, 124764 + ... + 274852.

It is an arithmetic number, because the mean of its divisors is an integer number (1071642600).

Almost surely, 2^29988982912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29988982912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34292563200).

29988982912 is an abundant number, since it is smaller than the sum of its proper divisors (38596143488).

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

29988982912 is a wasteful number, since it uses less digits than its factorization.

29988982912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150333 (or 150321 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 67.

The spelling of 29988982912 in words is "twenty-nine billion, nine hundred eighty-eight million, nine hundred eighty-two thousand, nine hundred twelve".