12254355661633 has 2 divisors, whose sum is σ = 12254355661634. Its totient is φ = 12254355661632.

The previous prime is 12254355661619. The next prime is 12254355661687. The reversal of 12254355661633 is 33616655345221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8409489607744 + 3844866053889 = 2899912^2 + 1960833^2 .

It is a cyclic number.

It is not a de Polignac number, because 12254355661633 - 2⁵ = 12254355661601 is a prime.

It is a super-2 number, since 2×12254355661633² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12254355661693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127177830816 + 6127177830817.

It is an arithmetic number, because the mean of its divisors is an integer number (6127177830817).

Almost surely, 2^{12254355661633} is an apocalyptic number.

It is an amenable number.

12254355661633 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254355661633 is an equidigital number, since it uses as much as digits as its factorization.

12254355661633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664000, while the sum is 52.

The spelling of 12254355661633 in words is "twelve trillion, two hundred fifty-four billion, three hundred fifty-five million, six hundred sixty-one thousand, six hundred thirty-three".