12421104403241 has 2 divisors, whose sum is σ = 12421104403242. Its totient is φ = 12421104403240.

The previous prime is 12421104403229. The next prime is 12421104403243. The reversal of 12421104403241 is 14230440112421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12388316247616 + 32788155625 = 3519704^2 + 181075^2 .

It is a cyclic number.

It is not a de Polignac number, because 12421104403241 - 2⁶ = 12421104403177 is a prime.

Together with 12421104403243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12421104403243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210552201620 + 6210552201621.

It is an arithmetic number, because the mean of its divisors is an integer number (6210552201621).

Almost surely, 2^{12421104403241} is an apocalyptic number.

It is an amenable number.

12421104403241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421104403241 is an equidigital number, since it uses as much as digits as its factorization.

12421104403241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 12421104403241 its reverse (14230440112421), we get a palindrome (26651544515662).

The spelling of 12421104403241 in words is "twelve trillion, four hundred twenty-one billion, one hundred four million, four hundred three thousand, two hundred forty-one".