12112130111131 has 4 divisors (see below), whose sum is σ = 12162387912664. Its totient is φ = 12061872309600.

The previous prime is 12112130111129. The next prime is 12112130111189. The reversal of 12112130111131 is 13111103121121.

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 12112130111131 - 2¹ = 12112130111129 is a prime.

It is a super-2 number, since 2×12112130111131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12112130111099 and 12112130111108.

It is not an unprimeable number, because it can be changed into a prime (12112130171131) 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, 25128900405 + ... + 25128900886.

It is an arithmetic number, because the mean of its divisors is an integer number (3040596978166).

Almost surely, 2^{12112130111131} is an apocalyptic number.

12112130111131 is a deficient number, since it is larger than the sum of its proper divisors (50257801533).

12112130111131 is an equidigital number, since it uses as much as digits as its factorization.

12112130111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50257801532.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 12112130111131 its reverse (13111103121121), we get a palindrome (25223233232252).

The spelling of 12112130111131 in words is "twelve trillion, one hundred twelve billion, one hundred thirty million, one hundred eleven thousand, one hundred thirty-one".