13123222213113 has 24 divisors (see below), whose sum is σ = 19780135015680. Its totient is φ = 8368344452160.

The previous prime is 13123222213109. The next prime is 13123222213181. The reversal of 13123222213113 is 31131222232131.

13123222213113 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 322 + 2 + 21 + 311 + 3 = 666.

It is not a de Polignac number, because 13123222213113 - 2² = 13123222213109 is a prime.

It is a super-2 number, since 2×13123222213113² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13123222213103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23889253 + ... + 24432413.

It is an arithmetic number, because the mean of its divisors is an integer number (824172292320).

Almost surely, 2^{13123222213113} is an apocalyptic number.

It is an amenable number.

13123222213113 is a deficient number, since it is larger than the sum of its proper divisors (6656912802567).

13123222213113 is a wasteful number, since it uses less digits than its factorization.

13123222213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659909 (or 659906 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 13123222213113 its reverse (31131222232131), we get a palindrome (44254444445244).

The spelling of 13123222213113 in words is "thirteen trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred thirteen thousand, one hundred thirteen".