12257265568 has 12 divisors (see below), whose sum is σ = 24131491650. Its totient is φ = 6128632768.

The previous prime is 12257265529. The next prime is 12257265569. The reversal of 12257265568 is 86556275221.

It can be written as a sum of positive squares in only one way, i.e., 7220240784 + 5037024784 = 84972^2 + 70972^2 .

It is not an unprimeable number, because it can be changed into a prime (12257265569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191519743 + ... + 191519806.

Almost surely, 2^12257265568 is an apocalyptic number.

It is an amenable number.

12257265568 is a deficient number, since it is larger than the sum of its proper divisors (11874226082).

12257265568 is an equidigital number, since it uses as much as digits as its factorization.

12257265568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383039559 (or 383039551 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 49.

The spelling of 12257265568 in words is "twelve billion, two hundred fifty-seven million, two hundred sixty-five thousand, five hundred sixty-eight".