12354647661299 has 2 divisors, whose sum is σ = 12354647661300. Its totient is φ = 12354647661298.

The previous prime is 12354647661283. The next prime is 12354647661331. The reversal of 12354647661299 is 99216674645321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12354647661299 - 2⁴ = 12354647661283 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12354647661259) 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, 6177323830649 + 6177323830650.

It is an arithmetic number, because the mean of its divisors is an integer number (6177323830650).

Almost surely, 2^{12354647661299} is an apocalyptic number.

12354647661299 is a deficient number, since it is larger than the sum of its proper divisors (1).

12354647661299 is an equidigital number, since it uses as much as digits as its factorization.

12354647661299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 65.

The spelling of 12354647661299 in words is "twelve trillion, three hundred fifty-four billion, six hundred forty-seven million, six hundred sixty-one thousand, two hundred ninety-nine".