12404856436472 has 64 divisors (see below), whose sum is σ = 23707375488000. Its totient is φ = 6083385798784.

The previous prime is 12404856436459. The next prime is 12404856436487. The reversal of 12404856436472 is 27463465840421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386801654 + ... + 386833722.

It is an arithmetic number, because the mean of its divisors is an integer number (370427742000).

Almost surely, 2^{12404856436472} is an apocalyptic number.

It is an amenable number.

12404856436472 is a deficient number, since it is larger than the sum of its proper divisors (11302519051528).

12404856436472 is a wasteful number, since it uses less digits than its factorization.

12404856436472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33980 (or 33976 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 56.

The spelling of 12404856436472 in words is "twelve trillion, four hundred four billion, eight hundred fifty-six million, four hundred thirty-six thousand, four hundred seventy-two".