12112230213 has 8 divisors (see below), whose sum is σ = 17944044800. Its totient is φ = 8074820124.

The previous prime is 12112230197. The next prime is 12112230217. The reversal of 12112230213 is 31203221121.

It is not a de Polignac number, because 12112230213 - 2⁴ = 12112230197 is a prime.

It is a super-2 number, since 2×12112230213² (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 (12112230217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224300533 + ... + 224300586.

It is an arithmetic number, because the mean of its divisors is an integer number (2243005600).

Almost surely, 2^12112230213 is an apocalyptic number.

It is an amenable number.

12112230213 is a deficient number, since it is larger than the sum of its proper divisors (5831814587).

12112230213 is an equidigital number, since it uses as much as digits as its factorization.

12112230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448601128 (or 448601122 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12112230213 its reverse (31203221121), we get a palindrome (43315451334).

The spelling of 12112230213 in words is "twelve billion, one hundred twelve million, two hundred thirty thousand, two hundred thirteen".