212202111223 has 2 divisors, whose sum is σ = 212202111224. Its totient is φ = 212202111222.

The previous prime is 212202111221. The next prime is 212202111241. The reversal of 212202111223 is 322111202212.

212202111223 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 is a cyclic number.

It is not a de Polignac number, because 212202111223 - 2¹ = 212202111221 is a prime.

Together with 212202111221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212202111223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202111221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101055611 + 106101055612.

It is an arithmetic number, because the mean of its divisors is an integer number (106101055612).

Almost surely, 2^212202111223 is an apocalyptic number.

212202111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202111223 is an equidigital number, since it uses as much as digits as its factorization.

212202111223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212202111223 its reverse (322111202212), we get a palindrome (534313313435).

The spelling of 212202111223 in words is "two hundred twelve billion, two hundred two million, one hundred eleven thousand, two hundred twenty-three".