12230075656 has 16 divisors (see below), whose sum is σ = 22943663100. Its totient is φ = 6111765504.

The previous prime is 12230075597. The next prime is 12230075749. The reversal of 12230075656 is 65657003221.

It can be written as a sum of positive squares in 2 ways, for example, as 8867235556 + 3362840100 = 94166^2 + 57990^2 .

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, 393121 + ... + 423088.

Almost surely, 2^12230075656 is an apocalyptic number.

It is an amenable number.

12230075656 is a deficient number, since it is larger than the sum of its proper divisors (10713587444).

12230075656 is a wasteful number, since it uses less digits than its factorization.

12230075656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818088 (or 818084 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 12230075656 its reverse (65657003221), we get a palindrome (77887078877).

The spelling of 12230075656 in words is "twelve billion, two hundred thirty million, seventy-five thousand, six hundred fifty-six".