29866902012 has 96 divisors (see below), whose sum is σ = 81026140160. Its totient is φ = 9502427520.

The previous prime is 29866901993. The next prime is 29866902049. The reversal of 29866902012 is 21020966892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183303 + ... + 305505.

Almost surely, 2^29866902012 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 29866902012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40513070080).

29866902012 is an abundant number, since it is smaller than the sum of its proper divisors (51159238148).

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

29866902012 is a wasteful number, since it uses less digits than its factorization.

29866902012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122320 (or 122312 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 29866902012 in words is "twenty-nine billion, eight hundred sixty-six million, nine hundred two thousand, twelve".