29911211992 has 16 divisors (see below), whose sum is σ = 56121413400. Its totient is φ = 14945501760.

The previous prime is 29911211963. The next prime is 29911212007.

29911211992 is nontrivially palindromic in base 10.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1250442 + ... + 1274137.

Almost surely, 2^29911211992 is an apocalyptic number.

It is an amenable number.

29911211992 is a deficient number, since it is larger than the sum of its proper divisors (26210201408).

29911211992 is a wasteful number, since it uses less digits than its factorization.

29911211992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526066 (or 2526062 counting only the distinct ones).

The product of its digits is 52488, while the sum is 46.

The spelling of 29911211992 in words is "twenty-nine billion, nine hundred eleven million, two hundred eleven thousand, nine hundred ninety-two".