12222001102217 has 2 divisors, whose sum is σ = 12222001102218. Its totient is φ = 12222001102216.

The previous prime is 12222001102189. The next prime is 12222001102231. The reversal of 12222001102217 is 71220110022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12208518176761 + 13482925456 = 3494069^2 + 116116^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222001102217 - 2²⁸ = 12221732666761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222001102192 and 12222001102201.

It is not a weakly prime, because it can be changed into another prime (12222001152217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111000551108 + 6111000551109.

It is an arithmetic number, because the mean of its divisors is an integer number (6111000551109).

Almost surely, 2^{12222001102217} is an apocalyptic number.

It is an amenable number.

12222001102217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222001102217 is an equidigital number, since it uses as much as digits as its factorization.

12222001102217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 12222001102217 its reverse (71220110022221), we get a palindrome (83442111124438).

The spelling of 12222001102217 in words is "twelve trillion, two hundred twenty-two billion, one million, one hundred two thousand, two hundred seventeen".