12122563 has 2 divisors, whose sum is σ = 12122564. Its totient is φ = 12122562.

The previous prime is 12122557. The next prime is 12122597. The reversal of 12122563 is 36522121.

12122563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12122563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061281 + 6061282.

It is an arithmetic number, because the mean of its divisors is an integer number (6061282).

Almost surely, 2^12122563 is an apocalyptic number.

12122563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122563 is an equidigital number, since it uses as much as digits as its factorization.

12122563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 12122563 is about 3481.7471189045. The cubic root of 12122563 is about 229.7196521205.

Adding to 12122563 its reverse (36522121), we get a palindrome (48644684).

The spelling of 12122563 in words is "twelve million, one hundred twenty-two thousand, five hundred sixty-three".