12112330311 has 48 divisors (see below), whose sum is σ = 19433606400. Its totient is φ = 7234862976.

The previous prime is 12112330301. The next prime is 12112330367. The reversal of 12112330311 is 11303321121.

12112330311 is a `hidden beast` number, since 1 + 21 + 1 + 2 + 330 + 311 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12112330311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112330301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 332736 + ... + 367338.

It is an arithmetic number, because the mean of its divisors is an integer number (404866800).

Almost surely, 2^12112330311 is an apocalyptic number.

12112330311 is a deficient number, since it is larger than the sum of its proper divisors (7321276089).

12112330311 is a wasteful number, since it uses less digits than its factorization.

12112330311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34740 (or 34737 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12112330311 its reverse (11303321121), we get a palindrome (23415651432).

The spelling of 12112330311 in words is "twelve billion, one hundred twelve million, three hundred thirty thousand, three hundred eleven".