12421254022663 has 2 divisors, whose sum is σ = 12421254022664. Its totient is φ = 12421254022662.

The previous prime is 12421254022637. The next prime is 12421254022687. The reversal of 12421254022663 is 36622045212421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12421254022663 is a prime.

It is a super-2 number, since 2×12421254022663² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12421254022633) 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, 6210627011331 + 6210627011332.

It is an arithmetic number, because the mean of its divisors is an integer number (6210627011332).

Almost surely, 2^{12421254022663} is an apocalyptic number.

12421254022663 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421254022663 is an equidigital number, since it uses as much as digits as its factorization.

12421254022663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 12421254022663 in words is "twelve trillion, four hundred twenty-one billion, two hundred fifty-four million, twenty-two thousand, six hundred sixty-three".