12550721848 has 64 divisors (see below), whose sum is σ = 27844689600. Its totient is φ = 5189130240.

The previous prime is 12550721837. The next prime is 12550721849. The reversal of 12550721848 is 84812705521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550721849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2656128 + ... + 2660848.

It is an arithmetic number, because the mean of its divisors is an integer number (435073275).

Almost surely, 2^12550721848 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 12550721848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13922344800).

12550721848 is an abundant number, since it is smaller than the sum of its proper divisors (15293967752).

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

12550721848 is a wasteful number, since it uses less digits than its factorization.

12550721848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400 (or 6396 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 12550721848 in words is "twelve billion, five hundred fifty million, seven hundred twenty-one thousand, eight hundred forty-eight".