13312202233221 has 24 divisors (see below), whose sum is σ = 20310623480576. Its totient is φ = 8388784595520.

The previous prime is 13312202233177. The next prime is 13312202233223. The reversal of 13312202233221 is 12233220221331.

13312202233221 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 2 + 202 + 233 + 221 = 666.

It is not a de Polignac number, because 13312202233221 - 2⁶ = 13312202233157 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 (13312202233223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554801800 + ... + 554825793.

Almost surely, 2^{13312202233221} is an apocalyptic number.

It is an amenable number.

13312202233221 is a deficient number, since it is larger than the sum of its proper divisors (6998421247355).

13312202233221 is a wasteful number, since it uses less digits than its factorization.

13312202233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109627673 (or 1109627670 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13312202233221 its reverse (12233220221331), we get a palindrome (25545422454552).

The spelling of 13312202233221 in words is "thirteen trillion, three hundred twelve billion, two hundred two million, two hundred thirty-three thousand, two hundred twenty-one".