12404421241 has 2 divisors, whose sum is σ = 12404421242. Its totient is φ = 12404421240.

The previous prime is 12404421221. The next prime is 12404421247. The reversal of 12404421241 is 14212440421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12403499641 + 921600 = 111371^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404421241 - 2⁵ = 12404421209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12404421247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202210620 + 6202210621.

It is an arithmetic number, because the mean of its divisors is an integer number (6202210621).

Almost surely, 2^12404421241 is an apocalyptic number.

It is an amenable number.

12404421241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404421241 is an equidigital number, since it uses as much as digits as its factorization.

12404421241 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12404421241 its reverse (14212440421), we get a palindrome (26616861662).

The spelling of 12404421241 in words is "twelve billion, four hundred four million, four hundred twenty-one thousand, two hundred forty-one".