12442431122 has 16 divisors (see below), whose sum is σ = 20369524032. Its totient is φ = 5653099920.

The previous prime is 12442431061. The next prime is 12442431149. The reversal of 12442431122 is 22113424421.

It is a junction number, because it is equal to n+sod(n) for n = 12442431091 and 12442431100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77198 + ... + 175625.

It is an arithmetic number, because the mean of its divisors is an integer number (1273095252).

Almost surely, 2^12442431122 is an apocalyptic number.

12442431122 is a deficient number, since it is larger than the sum of its proper divisors (7927092910).

12442431122 is a wasteful number, since it uses less digits than its factorization.

12442431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255073.

The product of its digits is 3072, while the sum is 26.

Adding to 12442431122 its reverse (22113424421), we get a palindrome (34555855543).

The spelling of 12442431122 in words is "twelve billion, four hundred forty-two million, four hundred thirty-one thousand, one hundred twenty-two".