210232312122 has 16 divisors (see below), whose sum is σ = 480530999232. Its totient is φ = 60066374880.

The previous prime is 210232312111. The next prime is 210232312123. The reversal of 210232312122 is 221213232012.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (210232312123) 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 7 ways as a sum of consecutive naturals, for example, 2502765579 + ... + 2502765662.

It is an arithmetic number, because the mean of its divisors is an integer number (30033187452).

Almost surely, 2^210232312122 is an apocalyptic number.

210232312122 is an abundant number, since it is smaller than the sum of its proper divisors (270298687110).

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

210232312122 is a wasteful number, since it uses less digits than its factorization.

210232312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005531253.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 210232312122 its reverse (221213232012), we get a palindrome (431445544134).

The spelling of 210232312122 in words is "two hundred ten billion, two hundred thirty-two million, three hundred twelve thousand, one hundred twenty-two".