12112213343 has 4 divisors (see below), whose sum is σ = 12120585360. Its totient is φ = 12103841328.

The previous prime is 12112213327. The next prime is 12112213417. The reversal of 12112213343 is 34331221121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34331221121 = 170141 ⋅201781.

It is a cyclic number.

It is not a de Polignac number, because 12112213343 - 2⁴ = 12112213327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112213643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183838 + ... + 4186731.

It is an arithmetic number, because the mean of its divisors is an integer number (3030146340).

Almost surely, 2^12112213343 is an apocalyptic number.

12112213343 is a deficient number, since it is larger than the sum of its proper divisors (8372017).

12112213343 is an equidigital number, since it uses as much as digits as its factorization.

12112213343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372016.

The product of its digits is 864, while the sum is 23.

Adding to 12112213343 its reverse (34331221121), we get a palindrome (46443434464).

The spelling of 12112213343 in words is "twelve billion, one hundred twelve million, two hundred thirteen thousand, three hundred forty-three".