12122220263 has 2 divisors, whose sum is σ = 12122220264. Its totient is φ = 12122220262.

The previous prime is 12122220251. The next prime is 12122220359. The reversal of 12122220263 is 36202222121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122220263 - 2⁴ = 12122220247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122220233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061110131 + 6061110132.

It is an arithmetic number, because the mean of its divisors is an integer number (6061110132).

Almost surely, 2^12122220263 is an apocalyptic number.

12122220263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122220263 is an equidigital number, since it uses as much as digits as its factorization.

12122220263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12122220263 its reverse (36202222121), we get a palindrome (48324442384).

The spelling of 12122220263 in words is "twelve billion, one hundred twenty-two million, two hundred twenty thousand, two hundred sixty-three".