12252242166456 has 16 divisors (see below), whose sum is σ = 30630605416200. Its totient is φ = 4084080722144.

The previous prime is 12252242166443. The next prime is 12252242166457. The reversal of 12252242166456 is 65466124225221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252242166457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255255045111 + ... + 255255045158.

Almost surely, 2^{12252242166456} is an apocalyptic number.

It is an amenable number.

12252242166456 is an abundant number, since it is smaller than the sum of its proper divisors (18378363249744).

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

12252242166456 is a wasteful number, since it uses less digits than its factorization.

12252242166456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510510090278 (or 510510090274 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The spelling of 12252242166456 in words is "twelve trillion, two hundred fifty-two billion, two hundred forty-two million, one hundred sixty-six thousand, four hundred fifty-six".