112223428728 has 16 divisors (see below), whose sum is σ = 280558571880. Its totient is φ = 37407809568.

The previous prime is 112223428727. The next prime is 112223428747. The reversal of 112223428728 is 827824322211.

It is a self number, because there is not a number n which added to its sum of digits gives 112223428728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112223428727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337988075 + ... + 2337988122.

Almost surely, 2^112223428728 is an apocalyptic number.

It is an amenable number.

112223428728 is an abundant number, since it is smaller than the sum of its proper divisors (168335143152).

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

112223428728 is a wasteful number, since it uses less digits than its factorization.

112223428728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675976206 (or 4675976202 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The spelling of 112223428728 in words is "one hundred twelve billion, two hundred twenty-three million, four hundred twenty-eight thousand, seven hundred twenty-eight".