12260162405261 has 2 divisors, whose sum is σ = 12260162405262. Its totient is φ = 12260162405260.

The previous prime is 12260162405243. The next prime is 12260162405273. The reversal of 12260162405261 is 16250426106221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10391719457161 + 1868442948100 = 3223619^2 + 1366910^2 .

It is a cyclic number.

It is not a de Polignac number, because 12260162405261 - 2³⁴ = 12242982536077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12260162404261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6130081202630 + 6130081202631.

It is an arithmetic number, because the mean of its divisors is an integer number (6130081202631).

Almost surely, 2^{12260162405261} is an apocalyptic number.

It is an amenable number.

12260162405261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12260162405261 is an equidigital number, since it uses as much as digits as its factorization.

12260162405261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 12260162405261 in words is "twelve trillion, two hundred sixty billion, one hundred sixty-two million, four hundred five thousand, two hundred sixty-one".