12223115631 has 12 divisors (see below), whose sum is σ = 17702950408. Its totient is φ = 8126895024.

The previous prime is 12223115627. The next prime is 12223115633. The reversal of 12223115631 is 13651132221.

12223115631 is a `hidden beast` number, since 1 + 2 + 2 + 23 + 1 + 1 + 5 + 631 = 666.

It is not a de Polignac number, because 12223115631 - 2² = 12223115627 is a prime.

It is a super-2 number, since 2×12223115631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223115595 and 12223115604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223115633) 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, 1817185 + ... + 1823898.

Almost surely, 2^12223115631 is an apocalyptic number.

12223115631 is a deficient number, since it is larger than the sum of its proper divisors (5479834777).

12223115631 is a wasteful number, since it uses less digits than its factorization.

12223115631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641462 (or 3641459 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

Adding to 12223115631 its reverse (13651132221), we get a palindrome (25874247852).

The spelling of 12223115631 in words is "twelve billion, two hundred twenty-three million, one hundred fifteen thousand, six hundred thirty-one".