12131250266237 has 2 divisors, whose sum is σ = 12131250266238. Its totient is φ = 12131250266236.

The previous prime is 12131250266183. The next prime is 12131250266249. The reversal of 12131250266237 is 73266205213121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9011967976036 + 3119282290201 = 3001994^2 + 1766149^2 .

It is a cyclic number.

It is not a de Polignac number, because 12131250266237 - 2¹⁶ = 12131250200701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12131250266194 and 12131250266203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12131250260237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065625133118 + 6065625133119.

It is an arithmetic number, because the mean of its divisors is an integer number (6065625133119).

Almost surely, 2^{12131250266237} is an apocalyptic number.

It is an amenable number.

12131250266237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131250266237 is an equidigital number, since it uses as much as digits as its factorization.

12131250266237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

Adding to 12131250266237 its reverse (73266205213121), we get a palindrome (85397455479358).

The spelling of 12131250266237 in words is "twelve trillion, one hundred thirty-one billion, two hundred fifty million, two hundred sixty-six thousand, two hundred thirty-seven".