12112321213 has 8 divisors (see below), whose sum is σ = 12178953728. Its totient is φ = 12045729024.

The previous prime is 12112321181. The next prime is 12112321259. The reversal of 12112321213 is 31212321121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12112321213 - 2⁵ = 12112321181 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 (12112325213) 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, 746020 + ... + 762082.

It is an arithmetic number, because the mean of its divisors is an integer number (1522369216).

Almost surely, 2^12112321213 is an apocalyptic number.

It is an amenable number.

12112321213 is a deficient number, since it is larger than the sum of its proper divisors (66632515).

12112321213 is a wasteful number, since it uses less digits than its factorization.

12112321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163.

The product of its digits is 144, while the sum is 19.

Adding to 12112321213 its reverse (31212321121), we get a palindrome (43324642334).

The spelling of 12112321213 in words is "twelve billion, one hundred twelve million, three hundred twenty-one thousand, two hundred thirteen".