12224421122 has 4 divisors (see below), whose sum is σ = 18336631686. Its totient is φ = 6112210560.

The previous prime is 12224421107. The next prime is 12224421151. The reversal of 12224421122 is 22112442221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22112442221 = 19013 ⋅1163017.

It can be written as a sum of positive squares in only one way, i.e., 7701993121 + 4522428001 = 87761^2 + 67249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056105279 + ... + 3056105282.

Almost surely, 2^12224421122 is an apocalyptic number.

12224421122 is a deficient number, since it is larger than the sum of its proper divisors (6112210564).

12224421122 is an equidigital number, since it uses as much as digits as its factorization.

12224421122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112210563.

The product of its digits is 1024, while the sum is 23.

Adding to 12224421122 its reverse (22112442221), we get a palindrome (34336863343).

The spelling of 12224421122 in words is "twelve billion, two hundred twenty-four million, four hundred twenty-one thousand, one hundred twenty-two".