12223057636 has 12 divisors (see below), whose sum is σ = 21391896960. Its totient is φ = 6111087080.

The previous prime is 12223057619. The next prime is 12223057669. The reversal of 12223057636 is 63675032221.

It is a junction number, because it is equal to n+sod(n) for n = 12223057595 and 12223057604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43696 + ... + 162343.

It is an arithmetic number, because the mean of its divisors is an integer number (1782658080).

Almost surely, 2^12223057636 is an apocalyptic number.

It is an amenable number.

12223057636 is a deficient number, since it is larger than the sum of its proper divisors (9168839324).

12223057636 is a wasteful number, since it uses less digits than its factorization.

12223057636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220874 (or 220872 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 12223057636 its reverse (63675032221), we get a palindrome (75898089857).

The spelling of 12223057636 in words is "twelve billion, two hundred twenty-three million, fifty-seven thousand, six hundred thirty-six".