13310232412221 has 40 divisors (see below), whose sum is σ = 19955873599200. Its totient is φ = 8841072475872.

The previous prime is 13310232412193. The next prime is 13310232412231. The reversal of 13310232412221 is 12221423201331.

13310232412221 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 0 + 23 + 2 + 412 + 221 = 666.

It is not a de Polignac number, because 13310232412221 - 2¹⁰ = 13310232411197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310232412231) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63280990 + ... + 63490976.

It is an arithmetic number, because the mean of its divisors is an integer number (498896839980).

Almost surely, 2^{13310232412221} is an apocalyptic number.

It is an amenable number.

13310232412221 is a deficient number, since it is larger than the sum of its proper divisors (6645641186979).

13310232412221 is a wasteful number, since it uses less digits than its factorization.

13310232412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212855 (or 212846 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13310232412221 its reverse (12221423201331), we get a palindrome (25531655613552).

The spelling of 13310232412221 in words is "thirteen trillion, three hundred ten billion, two hundred thirty-two million, four hundred twelve thousand, two hundred twenty-one".