12321647741173 has 2 divisors, whose sum is σ = 12321647741174. Its totient is φ = 12321647741172.

The previous prime is 12321647741147. The next prime is 12321647741233. The reversal of 12321647741173 is 37114774612321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11036594246769 + 1285053494404 = 3322137^2 + 1133602^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321647741173 - 2²⁵ = 12321614186741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321647741873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160823870586 + 6160823870587.

It is an arithmetic number, because the mean of its divisors is an integer number (6160823870587).

Almost surely, 2^{12321647741173} is an apocalyptic number.

It is an amenable number.

12321647741173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321647741173 is an equidigital number, since it uses as much as digits as its factorization.

12321647741173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 49.

The spelling of 12321647741173 in words is "twelve trillion, three hundred twenty-one billion, six hundred forty-seven million, seven hundred forty-one thousand, one hundred seventy-three".