12228900056 has 8 divisors (see below), whose sum is σ = 22929187620. Its totient is φ = 6114450024.

The previous prime is 12228900053. The next prime is 12228900083. The reversal of 12228900056 is 65000982221.

It is a happy number.

12228900056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12228899989 and 12228900025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228900053) by changing a digit.

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 as a sum of consecutive naturals, namely, 764306246 + ... + 764306261.

Almost surely, 2^12228900056 is an apocalyptic number.

It is an amenable number.

12228900056 is a deficient number, since it is larger than the sum of its proper divisors (10700287564).

12228900056 is a wasteful number, since it uses less digits than its factorization.

12228900056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528612513 (or 1528612509 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 12228900056 in words is "twelve billion, two hundred twenty-eight million, nine hundred thousand, fifty-six".