12224443122 has 24 divisors (see below), whose sum is σ = 26549222700. Its totient is φ = 4065132960.

The previous prime is 12224443111. The next prime is 12224443123. The reversal of 12224443122 is 22134442221.

It is a happy number.

12224443122 is a `hidden beast` number, since 1 + 2 + 224 + 4 + 431 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7255462041 + 4968981081 = 85179^2 + 70491^2 .

It is not an unprimeable number, because it can be changed into a prime (12224443123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 798997 + ... + 814152.

Almost surely, 2^12224443122 is an apocalyptic number.

12224443122 is an abundant number, since it is smaller than the sum of its proper divisors (14324779578).

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

12224443122 is a wasteful number, since it uses less digits than its factorization.

12224443122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613578 (or 1613575 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 12224443122 its reverse (22134442221), we get a palindrome (34358885343).

Subtracting 12224443122 from its reverse (22134442221), we obtain a palindrome (9909999099).

The spelling of 12224443122 in words is "twelve billion, two hundred twenty-four million, four hundred forty-three thousand, one hundred twenty-two".