12442841113 has 2 divisors, whose sum is σ = 12442841114. Its totient is φ = 12442841112.

The previous prime is 12442841077. The next prime is 12442841197. The reversal of 12442841113 is 31114824421.

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., 11917652224 + 525188889 = 109168^2 + 22917^2 .

It is a cyclic number.

It is not a de Polignac number, because 12442841113 - 2¹⁷ = 12442710041 is a prime.

It is not a weakly prime, because it can be changed into another prime (12442841713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221420556 + 6221420557.

It is an arithmetic number, because the mean of its divisors is an integer number (6221420557).

Almost surely, 2^12442841113 is an apocalyptic number.

It is an amenable number.

12442841113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442841113 is an equidigital number, since it uses as much as digits as its factorization.

12442841113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 31.

The spelling of 12442841113 in words is "twelve billion, four hundred forty-two million, eight hundred forty-one thousand, one hundred thirteen".