13323121131213 has 24 divisors (see below), whose sum is σ = 19431527064768. Its totient is φ = 8795825629632.

The previous prime is 13323121131209. The next prime is 13323121131239. The reversal of 13323121131213 is 31213112132331.

13323121131213 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 312 + 1 + 131 + 213 = 666.

It is not a de Polignac number, because 13323121131213 - 2² = 13323121131209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323121131113) 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, 62856 + ... + 5162382.

It is an arithmetic number, because the mean of its divisors is an integer number (809646961032).

Almost surely, 2^{13323121131213} is an apocalyptic number.

It is an amenable number.

13323121131213 is a deficient number, since it is larger than the sum of its proper divisors (6108405933555).

13323121131213 is a wasteful number, since it uses less digits than its factorization.

13323121131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102353 (or 5102350 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 13323121131213 its reverse (31213112132331), we get a palindrome (44536233263544).

The spelling of 13323121131213 in words is "thirteen trillion, three hundred twenty-three billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred thirteen".