210023232312 has 64 divisors (see below), whose sum is σ = 546074956800. Its totient is φ = 67253397120.

The previous prime is 210023232299. The next prime is 210023232319. The reversal of 210023232312 is 213232320012.

It is a happy number.

It is a super-2 number, since 2×210023232312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210023232319) 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, 1426764 + ... + 1567067.

It is an arithmetic number, because the mean of its divisors is an integer number (8532421200).

Almost surely, 2^210023232312 is an apocalyptic number.

It is an amenable number.

210023232312 is an abundant number, since it is smaller than the sum of its proper divisors (336051724488).

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

210023232312 is a wasteful number, since it uses less digits than its factorization.

210023232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993956 (or 2993952 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 210023232312 its reverse (213232320012), we get a palindrome (423255552324).

The spelling of 210023232312 in words is "two hundred ten billion, twenty-three million, two hundred thirty-two thousand, three hundred twelve".