12021583246399 has 2 divisors, whose sum is σ = 12021583246400. Its totient is φ = 12021583246398.

The previous prime is 12021583246391. The next prime is 12021583246423. The reversal of 12021583246399 is 99364238512021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12021583246399 - 2³ = 12021583246391 is a prime.

It is a super-2 number, since 2×12021583246399² (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 (12021583246391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010791623199 + 6010791623200.

It is an arithmetic number, because the mean of its divisors is an integer number (6010791623200).

Almost surely, 2^{12021583246399} is an apocalyptic number.

12021583246399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021583246399 is an equidigital number, since it uses as much as digits as its factorization.

12021583246399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 12021583246399 in words is "twelve trillion, twenty-one billion, five hundred eighty-three million, two hundred forty-six thousand, three hundred ninety-nine".