12223413621 has 40 divisors (see below), whose sum is σ = 19251719520. Its totient is φ = 7707594528.

The previous prime is 12223413571. The next prime is 12223413623. The reversal of 12223413621 is 12631432221.

12223413621 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 34 + 1 + 3 + 621 = 666.

It is not a de Polignac number, because 12223413621 - 2¹⁴ = 12223397237 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 (12223413623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 998886 + ... + 1011048.

It is an arithmetic number, because the mean of its divisors is an integer number (481292988).

Almost surely, 2^12223413621 is an apocalyptic number.

It is an amenable number.

12223413621 is a deficient number, since it is larger than the sum of its proper divisors (7028305899).

12223413621 is a wasteful number, since it uses less digits than its factorization.

12223413621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12847 (or 12838 counting only the distinct ones).

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

Adding to 12223413621 its reverse (12631432221), we get a palindrome (24854845842).

The spelling of 12223413621 in words is "twelve billion, two hundred twenty-three million, four hundred thirteen thousand, six hundred twenty-one".