12442320263 has 2 divisors, whose sum is σ = 12442320264. Its totient is φ = 12442320262.

The previous prime is 12442320223. The next prime is 12442320311. The reversal of 12442320263 is 36202324421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12442320263 - 2¹⁴ = 12442303879 is a prime.

It is a super-2 number, since 2×12442320263² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442320203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221160131 + 6221160132.

It is an arithmetic number, because the mean of its divisors is an integer number (6221160132).

Almost surely, 2^12442320263 is an apocalyptic number.

12442320263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442320263 is an equidigital number, since it uses as much as digits as its factorization.

12442320263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12442320263 its reverse (36202324421), we get a palindrome (48644644684).

The spelling of 12442320263 in words is "twelve billion, four hundred forty-two million, three hundred twenty thousand, two hundred sixty-three".