12122222027 has 2 divisors, whose sum is σ = 12122222028. Its totient is φ = 12122222026.

The previous prime is 12122221981. The next prime is 12122222117. The reversal of 12122222027 is 72022222121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (72022222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122222027 - 2⁶ = 12122221963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12122221993 and 12122222011.

It is not a weakly prime, because it can be changed into another prime (12122222527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061111013 + 6061111014.

It is an arithmetic number, because the mean of its divisors is an integer number (6061111014).

Almost surely, 2^12122222027 is an apocalyptic number.

12122222027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122222027 is an equidigital number, since it uses as much as digits as its factorization.

12122222027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 12122222027 its reverse (72022222121), we get a palindrome (84144444148).

The spelling of 12122222027 in words is "twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-seven".