13372612221 has 16 divisors (see below), whose sum is σ = 18086215680. Its totient is φ = 8787110640.

The previous prime is 13372612207. The next prime is 13372612241. The reversal of 13372612221 is 12221627331.

It is not a de Polignac number, because 13372612221 - 2¹³ = 13372604029 is a prime.

It is a super-2 number, since 2×13372612221² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13372612241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123620 + ... + 1135458.

It is an arithmetic number, because the mean of its divisors is an integer number (1130388480).

Almost surely, 2^13372612221 is an apocalyptic number.

It is an amenable number.

13372612221 is a deficient number, since it is larger than the sum of its proper divisors (4713603459).

13372612221 is a wasteful number, since it uses less digits than its factorization.

13372612221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17216.

The product of its digits is 6048, while the sum is 30.

The spelling of 13372612221 in words is "thirteen billion, three hundred seventy-two million, six hundred twelve thousand, two hundred twenty-one".