12110220122 has 64 divisors (see below), whose sum is σ = 25176711168. Its totient is φ = 4214808000.

The previous prime is 12110220041. The next prime is 12110220149. The reversal of 12110220122 is 22102201121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12110220097 and 12110220106.

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, 35504 + ... + 159627.

It is an arithmetic number, because the mean of its divisors is an integer number (393386112).

Almost surely, 2^12110220122 is an apocalyptic number.

12110220122 is an abundant number, since it is smaller than the sum of its proper divisors (13066491046).

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

12110220122 is a wasteful number, since it uses less digits than its factorization.

12110220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195195.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12110220122 its reverse (22102201121), we get a palindrome (34212421243).

It can be divided in two parts, 12110 and 220122, that added together give a palindrome (232232).

The spelling of 12110220122 in words is "twelve billion, one hundred ten million, two hundred twenty thousand, one hundred twenty-two".