12254355661619 has 2 divisors, whose sum is σ = 12254355661620. Its totient is φ = 12254355661618.

The previous prime is 12254355661601. The next prime is 12254355661633. The reversal of 12254355661619 is 91616655345221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12254355661619 - 2⁸ = 12254355661363 is a prime.

It is a super-2 number, since 2×12254355661619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12254355651619) 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, 6127177830809 + 6127177830810.

It is an arithmetic number, because the mean of its divisors is an integer number (6127177830810).

Almost surely, 2^{12254355661619} is an apocalyptic number.

12254355661619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254355661619 is an equidigital number, since it uses as much as digits as its factorization.

12254355661619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664000, while the sum is 56.

The spelling of 12254355661619 in words is "twelve trillion, two hundred fifty-four billion, three hundred fifty-five million, six hundred sixty-one thousand, six hundred nineteen".