12421254024559 has 2 divisors, whose sum is σ = 12421254024560. Its totient is φ = 12421254024558.

The previous prime is 12421254024541. The next prime is 12421254024677. The reversal of 12421254024559 is 95542045212421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12421254024559 - 2⁵ = 12421254024527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12421254028559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210627012279 + 6210627012280.

It is an arithmetic number, because the mean of its divisors is an integer number (6210627012280).

Almost surely, 2^{12421254024559} is an apocalyptic number.

12421254024559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421254024559 is an equidigital number, since it uses as much as digits as its factorization.

12421254024559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 12421254024559 in words is "twelve trillion, four hundred twenty-one billion, two hundred fifty-four million, twenty-four thousand, five hundred fifty-nine".