12457251088456 has 64 divisors (see below), whose sum is σ = 23472762370560. Its totient is φ = 6197944320000.

The previous prime is 12457251088427. The next prime is 12457251088459. The reversal of 12457251088456 is 65488015275421.

It is a self number, because there is not a number n which added to its sum of digits gives 12457251088456.

It is not an unprimeable number, because it can be changed into a prime (12457251088459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3185181141 + ... + 3185185051.

It is an arithmetic number, because the mean of its divisors is an integer number (366761912040).

Almost surely, 2^{12457251088456} is an apocalyptic number.

It is an amenable number.

12457251088456 is a deficient number, since it is larger than the sum of its proper divisors (11015511282104).

12457251088456 is a wasteful number, since it uses less digits than its factorization.

12457251088456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6526 (or 6522 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 12457251088456 in words is "twelve trillion, four hundred fifty-seven billion, two hundred fifty-one million, eighty-eight thousand, four hundred fifty-six".