212110122210 has 64 divisors (see below), whose sum is σ = 589981999104. Its totient is φ = 47799460800.

The previous prime is 212110122209. The next prime is 212110122229. The reversal of 212110122210 is 12221011212.

It is a super-2 number, since 2×212110122210² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212110122210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7098106 + ... + 7127925.

It is an arithmetic number, because the mean of its divisors is an integer number (9218468736).

Almost surely, 2^212110122210 is an apocalyptic number.

212110122210 is an abundant number, since it is smaller than the sum of its proper divisors (377871876894).

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

212110122210 is a wasteful number, since it uses less digits than its factorization.

212110122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226119.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212110122210 its reverse (12221011212), we get a palindrome (224331133422).

The spelling of 212110122210 in words is "two hundred twelve billion, one hundred ten million, one hundred twenty-two thousand, two hundred ten".