12243296256 has 56 divisors (see below), whose sum is σ = 32646862824. Its totient is φ = 4081090560.

The previous prime is 12243296243. The next prime is 12243296257. The reversal of 12243296256 is 65269234221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243296257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224515 + ... + 273666.

Almost surely, 2^12243296256 is an apocalyptic number.

12243296256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12243296256 is an abundant number, since it is smaller than the sum of its proper divisors (20403566568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243296256 is an frugal number, since it uses more digits than its factorization.

12243296256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498210 (or 498186 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 12243296256 in words is "twelve billion, two hundred forty-three million, two hundred ninety-six thousand, two hundred fifty-six".