12210001117 has 2 divisors, whose sum is σ = 12210001118. Its totient is φ = 12210001116.

The previous prime is 12210001057. The next prime is 12210001121. The reversal of 12210001117 is 71110001221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11342463001 + 867538116 = 106501^2 + 29454^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210001117 - 2¹¹ = 12209999069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12210001117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210001127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105000558 + 6105000559.

It is an arithmetic number, because the mean of its divisors is an integer number (6105000559).

Almost surely, 2^12210001117 is an apocalyptic number.

It is an amenable number.

12210001117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210001117 is an equidigital number, since it uses as much as digits as its factorization.

12210001117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 12210001117 its reverse (71110001221), we get a palindrome (83320002338).

The spelling of 12210001117 in words is "twelve billion, two hundred ten million, one thousand, one hundred seventeen".