13112123132213 has 12 divisors (see below), whose sum is σ = 15502925112012. Its totient is φ = 11054717392320.

The previous prime is 13112123132179. The next prime is 13112123132237. The reversal of 13112123132213 is 31223132121131.

It can be written as a sum of positive squares in 2 ways, for example, as 639197052004 + 12472926080209 = 799498^2 + 3531703^2 .

It is not a de Polignac number, because 13112123132213 - 2⁶ = 13112123132149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112123132113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2193393320 + ... + 2193399297.

It is an arithmetic number, because the mean of its divisors is an integer number (1291910426001).

Almost surely, 2^{13112123132213} is an apocalyptic number.

It is an amenable number.

13112123132213 is a deficient number, since it is larger than the sum of its proper divisors (2390801979799).

13112123132213 is an equidigital number, since it uses as much as digits as its factorization.

13112123132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386792692 (or 4386792685 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

Adding to 13112123132213 its reverse (31223132121131), we get a palindrome (44335255253344).

The spelling of 13112123132213 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirteen".