12122121022027 has 2 divisors, whose sum is σ = 12122121022028. Its totient is φ = 12122121022026.

The previous prime is 12122121021979. The next prime is 12122121022043. The reversal of 12122121022027 is 72022012122121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12122121022027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12122121021992 and 12122121022010.

It is not a weakly prime, because it can be changed into another prime (12122121022057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061060511013 + 6061060511014.

It is an arithmetic number, because the mean of its divisors is an integer number (6061060511014).

Almost surely, 2^{12122121022027} is an apocalyptic number.

12122121022027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122121022027 is an equidigital number, since it uses as much as digits as its factorization.

12122121022027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 12122121022027 its reverse (72022012122121), we get a palindrome (84144133144148).

The spelling of 12122121022027 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, twenty-seven".