12143366334173 has 2 divisors, whose sum is σ = 12143366334174. Its totient is φ = 12143366334172.

The previous prime is 12143366334101. The next prime is 12143366334193. The reversal of 12143366334173 is 37143366334121.

12143366334173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7797821681764 + 4345544652409 = 2792458^2 + 2084597^2 .

It is an emirp because it is prime and its reverse (37143366334121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12143366334173 - 2¹⁰ = 12143366333149 is a prime.

It is a super-2 number, since 2×12143366334173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12143366334193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071683167086 + 6071683167087.

It is an arithmetic number, because the mean of its divisors is an integer number (6071683167087).

Almost surely, 2^{12143366334173} is an apocalyptic number.

It is an amenable number.

12143366334173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143366334173 is an equidigital number, since it uses as much as digits as its factorization.

12143366334173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 47.

The spelling of 12143366334173 in words is "twelve trillion, one hundred forty-three billion, three hundred sixty-six million, three hundred thirty-four thousand, one hundred seventy-three".