12020222173 has 2 divisors, whose sum is σ = 12020222174. Its totient is φ = 12020222172.

The previous prime is 12020222171. The next prime is 12020222219. The reversal of 12020222173 is 37122202021.

12020222173 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., 11412007929 + 608214244 = 106827^2 + 24662^2 .

It is an emirp because it is prime and its reverse (37122202021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12020222173 - 2¹ = 12020222171 is a prime.

Together with 12020222171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020222171) 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, 6010111086 + 6010111087.

It is an arithmetic number, because the mean of its divisors is an integer number (6010111087).

Almost surely, 2^12020222173 is an apocalyptic number.

It is an amenable number.

12020222173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020222173 is an equidigital number, since it uses as much as digits as its factorization.

12020222173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12020222173 its reverse (37122202021), we get a palindrome (49142424194).

The spelling of 12020222173 in words is "twelve billion, twenty million, two hundred twenty-two thousand, one hundred seventy-three".