12224446788 has 12 divisors (see below), whose sum is σ = 28523709200. Its totient is φ = 4074815592.

The previous prime is 12224446771. The next prime is 12224446867. The reversal of 12224446788 is 88764442221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509351938 + ... + 509351961.

Almost surely, 2^12224446788 is an apocalyptic number.

It is an amenable number.

12224446788 is an abundant number, since it is smaller than the sum of its proper divisors (16299262412).

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

12224446788 is a wasteful number, since it uses less digits than its factorization.

12224446788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018703906 (or 1018703904 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 48.

The spelling of 12224446788 in words is "twelve billion, two hundred twenty-four million, four hundred forty-six thousand, seven hundred eighty-eight".