12104442281 has 2 divisors, whose sum is σ = 12104442282. Its totient is φ = 12104442280.

The previous prime is 12104442223. The next prime is 12104442299. The reversal of 12104442281 is 18224440121.

12104442281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11906083225 + 198359056 = 109115^2 + 14084^2 .

It is a cyclic number.

It is not a de Polignac number, because 12104442281 - 2²⁶ = 12037333417 is a prime.

It is a super-2 number, since 2×12104442281² (a number of 21 digits) contains 22 as substring.

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 (12104442781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052221140 + 6052221141.

It is an arithmetic number, because the mean of its divisors is an integer number (6052221141).

Almost surely, 2^12104442281 is an apocalyptic number.

It is an amenable number.

12104442281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12104442281 is an equidigital number, since it uses as much as digits as its factorization.

12104442281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 12104442281 in words is "twelve billion, one hundred four million, four hundred forty-two thousand, two hundred eighty-one".