12261646445303 has 2 divisors, whose sum is σ = 12261646445304. Its totient is φ = 12261646445302.

The previous prime is 12261646445261. The next prime is 12261646445311. The reversal of 12261646445303 is 30354464616221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12261646445303 - 2⁸ = 12261646445047 is a prime.

It is a super-2 number, since 2×12261646445303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12261646445333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6130823222651 + 6130823222652.

It is an arithmetic number, because the mean of its divisors is an integer number (6130823222652).

Almost surely, 2^{12261646445303} is an apocalyptic number.

12261646445303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12261646445303 is an equidigital number, since it uses as much as digits as its factorization.

12261646445303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 12261646445303 in words is "twelve trillion, two hundred sixty-one billion, six hundred forty-six million, four hundred forty-five thousand, three hundred three".