12422243122 has 16 divisors (see below), whose sum is σ = 18986527800. Its totient is φ = 6094282752.

The previous prime is 12422243107. The next prime is 12422243129. The reversal of 12422243122 is 22134222421.

It can be written as a sum of positive squares in 4 ways, for example, as 8168725161 + 4253517961 = 90381^2 + 65219^2 .

It is not an unprimeable number, because it can be changed into a prime (12422243129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192247 + ... + 248602.

Almost surely, 2^12422243122 is an apocalyptic number.

12422243122 is a deficient number, since it is larger than the sum of its proper divisors (6564284678).

12422243122 is a wasteful number, since it uses less digits than its factorization.

12422243122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441117.

The product of its digits is 3072, while the sum is 25.

Adding to 12422243122 its reverse (22134222421), we get a palindrome (34556465543).

The spelling of 12422243122 in words is "twelve billion, four hundred twenty-two million, two hundred forty-three thousand, one hundred twenty-two".