12366460261 has 2 divisors, whose sum is σ = 12366460262. Its totient is φ = 12366460260.

The previous prime is 12366460247. The next prime is 12366460279. The reversal of 12366460261 is 16206466321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12009968100 + 356492161 = 109590^2 + 18881^2 .

It is a cyclic number.

It is not a de Polignac number, because 12366460261 - 2⁷ = 12366460133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12366460261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12366460231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6183230130 + 6183230131.

It is an arithmetic number, because the mean of its divisors is an integer number (6183230131).

Almost surely, 2^12366460261 is an apocalyptic number.

It is an amenable number.

12366460261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12366460261 is an equidigital number, since it uses as much as digits as its factorization.

12366460261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 12366460261 in words is "twelve billion, three hundred sixty-six million, four hundred sixty thousand, two hundred sixty-one".