212010023992 has 64 divisors (see below), whose sum is σ = 447960764160. Its totient is φ = 93397017600.

The previous prime is 212010023933. The next prime is 212010023993. The reversal of 212010023992 is 299320010212.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010023993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215059 + ... + 685762.

It is an arithmetic number, because the mean of its divisors is an integer number (6999386940).

Almost surely, 2^212010023992 is an apocalyptic number.

It is an amenable number.

212010023992 is an abundant number, since it is smaller than the sum of its proper divisors (235950740168).

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

212010023992 is a wasteful number, since it uses less digits than its factorization.

212010023992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900944 (or 900940 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 212010023992 in words is "two hundred twelve billion, ten million, twenty-three thousand, nine hundred ninety-two".