12424421441 has 2 divisors, whose sum is σ = 12424421442. Its totient is φ = 12424421440.

The previous prime is 12424421431. The next prime is 12424421447. The reversal of 12424421441 is 14412442421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11384036416 + 1040385025 = 106696^2 + 32255^2 .

It is a cyclic number.

It is not a de Polignac number, because 12424421441 - 2²² = 12420227137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12424421447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212210720 + 6212210721.

It is an arithmetic number, because the mean of its divisors is an integer number (6212210721).

Almost surely, 2^12424421441 is an apocalyptic number.

It is an amenable number.

12424421441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424421441 is an equidigital number, since it uses as much as digits as its factorization.

12424421441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8192, while the sum is 29.

Adding to 12424421441 its reverse (14412442421), we get a palindrome (26836863862).

The spelling of 12424421441 in words is "twelve billion, four hundred twenty-four million, four hundred twenty-one thousand, four hundred forty-one".