12866592133 has 2 divisors, whose sum is σ = 12866592134. Its totient is φ = 12866592132.

The previous prime is 12866592041. The next prime is 12866592203. The reversal of 12866592133 is 33129566821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11833741089 + 1032851044 = 108783^2 + 32138^2 .

It is a cyclic number.

It is not a de Polignac number, because 12866592133 - 2²⁹ = 12329721221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12866592433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6433296066 + 6433296067.

It is an arithmetic number, because the mean of its divisors is an integer number (6433296067).

Almost surely, 2^12866592133 is an apocalyptic number.

It is an amenable number.

12866592133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12866592133 is an equidigital number, since it uses as much as digits as its factorization.

12866592133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The spelling of 12866592133 in words is "twelve billion, eight hundred sixty-six million, five hundred ninety-two thousand, one hundred thirty-three".