12207854635673 has 2 divisors, whose sum is σ = 12207854635674. Its totient is φ = 12207854635672.

The previous prime is 12207854635657. The next prime is 12207854635679. The reversal of 12207854635673 is 37653645870221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9588237934144 + 2619616701529 = 3096488^2 + 1618523^2 .

It is a cyclic number.

It is not a de Polignac number, because 12207854635673 - 2⁴ = 12207854635657 is a prime.

It is not a weakly prime, because it can be changed into another prime (12207854635679) 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, 6103927317836 + 6103927317837.

It is an arithmetic number, because the mean of its divisors is an integer number (6103927317837).

Almost surely, 2^{12207854635673} is an apocalyptic number.

It is an amenable number.

12207854635673 is a deficient number, since it is larger than the sum of its proper divisors (1).

12207854635673 is an equidigital number, since it uses as much as digits as its factorization.

12207854635673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50803200, while the sum is 59.

The spelling of 12207854635673 in words is "twelve trillion, two hundred seven billion, eight hundred fifty-four million, six hundred thirty-five thousand, six hundred seventy-three".