12453285644056 has 32 divisors (see below), whose sum is σ = 23424518973600. Its totient is φ = 6206771450880.

The previous prime is 12453285644039. The next prime is 12453285644083. The reversal of 12453285644056 is 65044658235421.

It is a super-2 number, since 2×12453285644056² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12453285643988 and 12453285644006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607400 + ... + 5630728.

It is an arithmetic number, because the mean of its divisors is an integer number (732016217925).

Almost surely, 2^{12453285644056} is an apocalyptic number.

It is an amenable number.

12453285644056 is a deficient number, since it is larger than the sum of its proper divisors (10971233329544).

12453285644056 is a wasteful number, since it uses less digits than its factorization.

12453285644056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024979 (or 3024975 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 55.

The spelling of 12453285644056 in words is "twelve trillion, four hundred fifty-three billion, two hundred eighty-five million, six hundred forty-four thousand, fifty-six".