12256323456466 has 16 divisors (see below), whose sum is σ = 19184027125824. Its totient is φ = 5861653761744.

The previous prime is 12256323456449. The next prime is 12256323456473. The reversal of 12256323456466 is 66465432365221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2746036 + ... + 5661568.

It is an arithmetic number, because the mean of its divisors is an integer number (1199001695364).

Almost surely, 2^{12256323456466} is an apocalyptic number.

12256323456466 is a deficient number, since it is larger than the sum of its proper divisors (6927703669358).

12256323456466 is a wasteful number, since it uses less digits than its factorization.

12256323456466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006945.

The product of its digits is 37324800, while the sum is 55.

The spelling of 12256323456466 in words is "twelve trillion, two hundred fifty-six billion, three hundred twenty-three million, four hundred fifty-six thousand, four hundred sixty-six".