20123220122227 has 2 divisors, whose sum is σ = 20123220122228. Its totient is φ = 20123220122226.

The previous prime is 20123220122191. The next prime is 20123220122237. The reversal of 20123220122227 is 72222102232102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20123220122227 - 2²³ = 20123211733619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20123220122195 and 20123220122204.

It is not a weakly prime, because it can be changed into another prime (20123220122237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061610061113 + 10061610061114.

It is an arithmetic number, because the mean of its divisors is an integer number (10061610061114).

Almost surely, 2^{20123220122227} is an apocalyptic number.

20123220122227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123220122227 is an equidigital number, since it uses as much as digits as its factorization.

20123220122227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 20123220122227 its reverse (72222102232102), we get a palindrome (92345322354329).

The spelling of 20123220122227 in words is "twenty trillion, one hundred twenty-three billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-seven".