13220112122 has 16 divisors (see below), whose sum is σ = 22764682752. Its totient is φ = 5640354000.

The previous prime is 13220112083. The next prime is 13220112127. The reversal of 13220112122 is 22121102231.

It is a self number, because there is not a number n which added to its sum of digits gives 13220112122.

It is not an unprimeable number, because it can be changed into a prime (13220112127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114129 + ... + 2120372.

It is an arithmetic number, because the mean of its divisors is an integer number (1422792672).

Almost surely, 2^13220112122 is an apocalyptic number.

13220112122 is a deficient number, since it is larger than the sum of its proper divisors (9544570630).

13220112122 is a wasteful number, since it uses less digits than its factorization.

13220112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234733.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13220112122 its reverse (22121102231), we get a palindrome (35341214353).

The spelling of 13220112122 in words is "thirteen billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-two".