12113312122 has 8 divisors (see below), whose sum is σ = 18796518900. Its totient is φ = 5847805824.

The previous prime is 12113312111. The next prime is 12113312147. The reversal of 12113312122 is 22121331121.

It can be written as a sum of positive squares in 2 ways, for example, as 11894301721 + 219010401 = 109061^2 + 14799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12113312122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104425047 + ... + 104425162.

Almost surely, 2^12113312122 is an apocalyptic number.

12113312122 is a deficient number, since it is larger than the sum of its proper divisors (6683206778).

12113312122 is a wasteful number, since it uses less digits than its factorization.

12113312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208850240.

The product of its digits is 144, while the sum is 19.

Adding to 12113312122 its reverse (22121331121), we get a palindrome (34234643243).

The spelling of 12113312122 in words is "twelve billion, one hundred thirteen million, three hundred twelve thousand, one hundred twenty-two".