12220848728 has 32 divisors (see below), whose sum is σ = 25002371520. Its totient is φ = 5553780000.

The previous prime is 12220848719. The next prime is 12220848743. The reversal of 12220848728 is 82784802221.

12220848728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528203 + ... + 550853.

It is an arithmetic number, because the mean of its divisors is an integer number (781324110).

Almost surely, 2^12220848728 is an apocalyptic number.

It is an amenable number.

12220848728 is an abundant number, since it is smaller than the sum of its proper divisors (12781522792).

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

12220848728 is a wasteful number, since it uses less digits than its factorization.

12220848728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28799 (or 28795 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 12220848728 in words is "twelve billion, two hundred twenty million, eight hundred forty-eight thousand, seven hundred twenty-eight".