13212113331213 has 24 divisors (see below), whose sum is σ = 19166740302528. Its totient is φ = 8769965923392.

The previous prime is 13212113331149. The next prime is 13212113331289. The reversal of 13212113331213 is 31213331121231.

13212113331213 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 2 + 113 + 331 + 213 = 666.

It is not a de Polignac number, because 13212113331213 - 2⁶ = 13212113331149 is a prime.

It is a super-3 number, since 3×13212113331213³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212113331013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70716106 + ... + 70902692.

It is an arithmetic number, because the mean of its divisors is an integer number (798614179272).

Almost surely, 2^{13212113331213} is an apocalyptic number.

It is an amenable number.

13212113331213 is a deficient number, since it is larger than the sum of its proper divisors (5954626971315).

13212113331213 is a wasteful number, since it uses less digits than its factorization.

13212113331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220593 (or 220590 counting only the distinct ones).

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

Adding to 13212113331213 its reverse (31213331121231), we get a palindrome (44425444452444).

The spelling of 13212113331213 in words is "thirteen trillion, two hundred twelve billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred thirteen".