12224549688 has 128 divisors (see below), whose sum is σ = 34964160000. Its totient is φ = 3530552832.

The previous prime is 12224549671. The next prime is 12224549717. The reversal of 12224549688 is 88694542221.

12224549688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12224549688.

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 31 ways as a sum of consecutive naturals, for example, 636693 + ... + 655611.

It is an arithmetic number, because the mean of its divisors is an integer number (273157500).

Almost surely, 2^12224549688 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 12224549688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17482080000).

12224549688 is an abundant number, since it is smaller than the sum of its proper divisors (22739610312).

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

12224549688 is a wasteful number, since it uses less digits than its factorization.

12224549688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19069 (or 19065 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 12224549688 in words is "twelve billion, two hundred twenty-four million, five hundred forty-nine thousand, six hundred eighty-eight".