12466210130261 has 2 divisors, whose sum is σ = 12466210130262. Its totient is φ = 12466210130260.

The previous prime is 12466210130251. The next prime is 12466210130287. The reversal of 12466210130261 is 16203101266421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12441527835025 + 24682295236 = 3527255^2 + 157106^2 .

It is an emirp because it is prime and its reverse (16203101266421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12466210130261 - 2³⁴ = 12449030261077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12466210130201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6233105065130 + 6233105065131.

It is an arithmetic number, because the mean of its divisors is an integer number (6233105065131).

Almost surely, 2^{12466210130261} is an apocalyptic number.

It is an amenable number.

12466210130261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12466210130261 is an equidigital number, since it uses as much as digits as its factorization.

12466210130261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 12466210130261 its reverse (16203101266421), we get a palindrome (28669311396682).

The spelling of 12466210130261 in words is "twelve trillion, four hundred sixty-six billion, two hundred ten million, one hundred thirty thousand, two hundred sixty-one".