12408306886856 has 32 divisors (see below), whose sum is σ = 23527656640800. Its totient is φ = 6134269088640.

The previous prime is 12408306886847. The next prime is 12408306886873. The reversal of 12408306886856 is 65868860380421.

It is a junction number, because it is equal to n+sod(n) for n = 12408306886792 and 12408306886801.

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, 26834591 + ... + 27293073.

It is an arithmetic number, because the mean of its divisors is an integer number (735239270025).

Almost surely, 2^{12408306886856} is an apocalyptic number.

It is an amenable number.

12408306886856 is a deficient number, since it is larger than the sum of its proper divisors (11119349753944).

12408306886856 is a wasteful number, since it uses less digits than its factorization.

12408306886856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496589 (or 496585 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 65.

The spelling of 12408306886856 in words is "twelve trillion, four hundred eight billion, three hundred six million, eight hundred eighty-six thousand, eight hundred fifty-six".