12804048449328 has 20 divisors (see below), whose sum is σ = 33077125160888. Its totient is φ = 4268016149760.

The previous prime is 12804048449323. The next prime is 12804048449369. The reversal of 12804048449328 is 82394484040821.

It is a super-2 number, since 2×12804048449328² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12804048449321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133375504633 + ... + 133375504728.

Almost surely, 2^{12804048449328} is an apocalyptic number.

It is an amenable number.

12804048449328 is an abundant number, since it is smaller than the sum of its proper divisors (20273076711560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12804048449328 is a wasteful number, since it uses less digits than its factorization.

12804048449328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266751009372 (or 266751009366 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 57.

The spelling of 12804048449328 in words is "twelve trillion, eight hundred four billion, forty-eight million, four hundred forty-nine thousand, three hundred twenty-eight".