12220010917 has 2 divisors, whose sum is σ = 12220010918. Its totient is φ = 12220010916.

The previous prime is 12220010903. The next prime is 12220010939. The reversal of 12220010917 is 71901002221.

12220010917 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., 9825963876 + 2394047041 = 99126^2 + 48929^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220010917 - 2¹¹ = 12220008869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220010891 and 12220010900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220010947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110005458 + 6110005459.

It is an arithmetic number, because the mean of its divisors is an integer number (6110005459).

Almost surely, 2^12220010917 is an apocalyptic number.

It is an amenable number.

12220010917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220010917 is an equidigital number, since it uses as much as digits as its factorization.

12220010917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12220010917 in words is "twelve billion, two hundred twenty million, ten thousand, nine hundred seventeen".