12220332100217 has 2 divisors, whose sum is σ = 12220332100218. Its totient is φ = 12220332100216.

The previous prime is 12220332100169. The next prime is 12220332100283. The reversal of 12220332100217 is 71200123302221.

12220332100217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9648577838656 + 2571754261561 = 3106216^2 + 1603669^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220332100217 - 2¹² = 12220332096121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220332105217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110166050108 + 6110166050109.

It is an arithmetic number, because the mean of its divisors is an integer number (6110166050109).

Almost surely, 2^{12220332100217} is an apocalyptic number.

It is an amenable number.

12220332100217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220332100217 is an equidigital number, since it uses as much as digits as its factorization.

12220332100217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 12220332100217 its reverse (71200123302221), we get a palindrome (83420455402438).

The spelling of 12220332100217 in words is "twelve trillion, two hundred twenty billion, three hundred thirty-two million, one hundred thousand, two hundred seventeen".