9212112223 has 2 divisors, whose sum is σ = 9212112224. Its totient is φ = 9212112222.

The previous prime is 9212112199. The next prime is 9212112229. The reversal of 9212112223 is 3222112129.

9212112223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3222112129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9212112223 - 2¹⁷ = 9211981151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9212112229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4606056111 + 4606056112.

It is an arithmetic number, because the mean of its divisors is an integer number (4606056112).

Almost surely, 2^9212112223 is an apocalyptic number.

9212112223 is a deficient number, since it is larger than the sum of its proper divisors (1).

9212112223 is an equidigital number, since it uses as much as digits as its factorization.

9212112223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 9212112223 is about 95979.7490255106. The cubic root of 9212112223 is about 2096.2982574048.

The spelling of 9212112223 in words is "nine billion, two hundred twelve million, one hundred twelve thousand, two hundred twenty-three".