13320112012213 has 4 divisors (see below), whose sum is σ = 13393703791468. Its totient is φ = 13246520232960.

The previous prime is 13320112012211. The next prime is 13320112012237. The reversal of 13320112012213 is 31221021102331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132595754769 + 13187516257444 = 364137^2 + 3631462^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320112012213 - 2¹ = 13320112012211 is a prime.

It is a super-2 number, since 2×13320112012213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320112012211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36795889356 + ... + 36795889717.

It is an arithmetic number, because the mean of its divisors is an integer number (3348425947867).

Almost surely, 2^{13320112012213} is an apocalyptic number.

It is an amenable number.

13320112012213 is a deficient number, since it is larger than the sum of its proper divisors (73591779255).

13320112012213 is an equidigital number, since it uses as much as digits as its factorization.

13320112012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73591779254.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13320112012213 its reverse (31221021102331), we get a palindrome (44541133114544).

The spelling of 13320112012213 in words is "thirteen trillion, three hundred twenty billion, one hundred twelve million, twelve thousand, two hundred thirteen".