123881002992 has 80 divisors (see below), whose sum is σ = 365194795680. Its totient is φ = 40177617408.

The previous prime is 123881002979. The next prime is 123881003033. The reversal of 123881002992 is 299200188321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3859173 + ... + 3891140.

It is an arithmetic number, because the mean of its divisors is an integer number (4564934946).

Almost surely, 2^123881002992 is an apocalyptic number.

123881002992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123881002992 is an abundant number, since it is smaller than the sum of its proper divisors (241313792688).

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

123881002992 is a wasteful number, since it uses less digits than its factorization.

123881002992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750367 (or 7750355 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 123881002992 in words is "one hundred twenty-three billion, eight hundred eighty-one million, two thousand, nine hundred ninety-two".