12210211122 has 32 divisors (see below), whose sum is σ = 25614081792. Its totient is φ = 3875808384.

The previous prime is 12210211109. The next prime is 12210211133. The reversal of 12210211122 is 22111201221.

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, 574683 + ... + 595550.

It is an arithmetic number, because the mean of its divisors is an integer number (800440056).

Almost surely, 2^12210211122 is an apocalyptic number.

12210211122 is an abundant number, since it is smaller than the sum of its proper divisors (13403870670).

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

12210211122 is a wasteful number, since it uses less digits than its factorization.

12210211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170322.

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

Adding to 12210211122 its reverse (22111201221), we get a palindrome (34321412343).

Subtracting 12210211122 from its reverse (22111201221), we obtain a palindrome (9900990099).

The spelling of 12210211122 in words is "twelve billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-two".