12804651637248 has 160 divisors (see below), whose sum is σ = 34305625728000. Its totient is φ = 4244058685440.

The previous prime is 12804651637237. The next prime is 12804651637307. The reversal of 12804651637248 is 84273615640821.

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, 806482686 + ... + 806498562.

It is an arithmetic number, because the mean of its divisors is an integer number (214410160800).

Almost surely, 2^{12804651637248} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12804651637248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17152812864000).

12804651637248 is an abundant number, since it is smaller than the sum of its proper divisors (21500974090752).

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

12804651637248 is a wasteful number, since it uses less digits than its factorization.

12804651637248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18838 (or 18822 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 12804651637248 in words is "twelve trillion, eight hundred four billion, six hundred fifty-one million, six hundred thirty-seven thousand, two hundred forty-eight".