12442243122 has 24 divisors (see below), whose sum is σ = 27210143376. Its totient is φ = 4108652856.

The previous prime is 12442243109. The next prime is 12442243153. The reversal of 12442243122 is 22134224421.

It is a happy number.

12442243122 is a `hidden beast` number, since 124 + 4 + 224 + 312 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3228148 + ... + 3231999.

It is an arithmetic number, because the mean of its divisors is an integer number (1133755974).

Almost surely, 2^12442243122 is an apocalyptic number.

12442243122 is an abundant number, since it is smaller than the sum of its proper divisors (14767900254).

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

12442243122 is a wasteful number, since it uses less digits than its factorization.

12442243122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6460262 (or 6460259 counting only the distinct ones).

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

Adding to 12442243122 its reverse (22134224421), we get a palindrome (34576467543).

The spelling of 12442243122 in words is "twelve billion, four hundred forty-two million, two hundred forty-three thousand, one hundred twenty-two".