13123321122 has 16 divisors (see below), whose sum is σ = 27790562592. Its totient is φ = 4117120320.

The previous prime is 13123321093. The next prime is 13123321177. The reversal of 13123321122 is 22112332131.

It is a super-2 number, since 2×13123321122² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64329904 + ... + 64330107.

It is an arithmetic number, because the mean of its divisors is an integer number (1736910162).

Almost surely, 2^13123321122 is an apocalyptic number.

13123321122 is an abundant number, since it is smaller than the sum of its proper divisors (14667241470).

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

13123321122 is a wasteful number, since it uses less digits than its factorization.

13123321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128660033.

The product of its digits is 432, while the sum is 21.

Adding to 13123321122 its reverse (22112332131), we get a palindrome (35235653253).

The spelling of 13123321122 in words is "thirteen billion, one hundred twenty-three million, three hundred twenty-one thousand, one hundred twenty-two".