12321604605244 has 48 divisors (see below), whose sum is σ = 24194827641600. Its totient is φ = 5442135229440.

The previous prime is 12321604605221. The next prime is 12321604605263. The reversal of 12321604605244 is 44250640612321.

It is a junction number, because it is equal to n+sod(n) for n = 12321604605197 and 12321604605206.

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, 16506544 + ... + 17236855.

It is an arithmetic number, because the mean of its divisors is an integer number (504058909200).

Almost surely, 2^{12321604605244} is an apocalyptic number.

It is an amenable number.

12321604605244 is a deficient number, since it is larger than the sum of its proper divisors (11873223036356).

12321604605244 is a wasteful number, since it uses less digits than its factorization.

12321604605244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33743650 (or 33743648 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 12321604605244 in words is "twelve trillion, three hundred twenty-one billion, six hundred four million, six hundred five thousand, two hundred forty-four".