12405234263 has 2 divisors, whose sum is σ = 12405234264. Its totient is φ = 12405234262.

The previous prime is 12405234211. The next prime is 12405234269. The reversal of 12405234263 is 36243250421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12405234263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12405234269) 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, 6202617131 + 6202617132.

It is an arithmetic number, because the mean of its divisors is an integer number (6202617132).

Almost surely, 2^12405234263 is an apocalyptic number.

12405234263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12405234263 is an equidigital number, since it uses as much as digits as its factorization.

12405234263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 12405234263 its reverse (36243250421), we get a palindrome (48648484684).

The spelling of 12405234263 in words is "twelve billion, four hundred five million, two hundred thirty-four thousand, two hundred sixty-three".