12244044121 has 2 divisors, whose sum is σ = 12244044122. Its totient is φ = 12244044120.

The previous prime is 12244044103. The next prime is 12244044161. The reversal of 12244044121 is 12144044221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8515598400 + 3728445721 = 92280^2 + 61061^2 .

It is an emirp because it is prime and its reverse (12144044221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12244044121 - 2⁷ = 12244043993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12244044101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6122022060 + 6122022061.

It is an arithmetic number, because the mean of its divisors is an integer number (6122022061).

Almost surely, 2^12244044121 is an apocalyptic number.

It is an amenable number.

12244044121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12244044121 is an equidigital number, since it uses as much as digits as its factorization.

12244044121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12244044121 its reverse (12144044221), we get a palindrome (24388088342).

The spelling of 12244044121 in words is "twelve billion, two hundred forty-four million, forty-four thousand, one hundred twenty-one".