29889699840012 has 48 divisors (see below), whose sum is σ = 72148436720640. Its totient is φ = 9619555460928.

The previous prime is 29889699839933. The next prime is 29889699840019. The reversal of 29889699840012 is 21004899698892.

It is not an unprimeable number, because it can be changed into a prime (29889699840019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30490533 + ... + 31455555.

It is an arithmetic number, because the mean of its divisors is an integer number (1503092431680).

Almost surely, 2^{29889699840012} is an apocalyptic number.

It is an amenable number.

29889699840012 is an abundant number, since it is smaller than the sum of its proper divisors (42258736880628).

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

29889699840012 is a wasteful number, since it uses less digits than its factorization.

29889699840012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054062 (or 1054060 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 75.

The spelling of 29889699840012 in words is "twenty-nine trillion, eight hundred eighty-nine billion, six hundred ninety-nine million, eight hundred forty thousand, twelve".