12112210223 has 4 divisors (see below), whose sum is σ = 12112458408. Its totient is φ = 12111962040.

The previous prime is 12112210207. The next prime is 12112210277. The reversal of 12112210223 is 32201221121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112210223 - 2⁴ = 12112210207 is a prime.

It is a super-2 number, since 2×12112210223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112210823) 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 in 3 ways as a sum of consecutive naturals, for example, 23948 + ... + 157473.

It is an arithmetic number, because the mean of its divisors is an integer number (3028114602).

Almost surely, 2^12112210223 is an apocalyptic number.

12112210223 is a deficient number, since it is larger than the sum of its proper divisors (248185).

12112210223 is an equidigital number, since it uses as much as digits as its factorization.

12112210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248184.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12112210223 its reverse (32201221121), we get a palindrome (44313431344).

The spelling of 12112210223 in words is "twelve billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-three".