13321012304421 has 12 divisors (see below), whose sum is σ = 20254170755520. Its totient is φ = 8413270929000.

The previous prime is 13321012304401. The next prime is 13321012304461. The reversal of 13321012304421 is 12440321012331.

13321012304421 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 1 + 0 + 1 + 230 + 4 + 421 = 666.

It is not a de Polignac number, because 13321012304421 - 2⁷ = 13321012304293 is a prime.

It is a super-2 number, since 2×13321012304421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321012304401) 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, 38950328205 + ... + 38950328546.

It is an arithmetic number, because the mean of its divisors is an integer number (1687847562960).

Almost surely, 2^{13321012304421} is an apocalyptic number.

It is an amenable number.

13321012304421 is a deficient number, since it is larger than the sum of its proper divisors (6933158451099).

13321012304421 is a wasteful number, since it uses less digits than its factorization.

13321012304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77900656776 (or 77900656773 counting only the distinct ones).

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

Adding to 13321012304421 its reverse (12440321012331), we get a palindrome (25761333316752).

The spelling of 13321012304421 in words is "thirteen trillion, three hundred twenty-one billion, twelve million, three hundred four thousand, four hundred twenty-one".