12225322768 has 40 divisors (see below), whose sum is σ = 24229655552. Its totient is φ = 5973948288.

The previous prime is 12225322763. The next prime is 12225322787. The reversal of 12225322768 is 86722352221.

It is a self number, because there is not a number n which added to its sum of digits gives 12225322768.

It is not an unprimeable number, because it can be changed into a prime (12225322763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91246 + ... + 181042.

Almost surely, 2^12225322768 is an apocalyptic number.

It is an amenable number.

12225322768 is a deficient number, since it is larger than the sum of its proper divisors (12004332784).

12225322768 is a wasteful number, since it uses less digits than its factorization.

12225322768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89999 (or 89993 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

Adding to 12225322768 its reverse (86722352221), we get a palindrome (98947674989).

The spelling of 12225322768 in words is "twelve billion, two hundred twenty-five million, three hundred twenty-two thousand, seven hundred sixty-eight".