12112131331211 has 8 divisors (see below), whose sum is σ = 12143569098960. Its totient is φ = 12080695108768.

The previous prime is 12112131331189. The next prime is 12112131331213. The reversal of 12112131331211 is 11213313121121.

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 12112131331211 - 2³⁸ = 11837253424267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112131331213) 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, 16236560 + ... + 16966146.

It is an arithmetic number, because the mean of its divisors is an integer number (1517946137370).

Almost surely, 2^{12112131331211} is an apocalyptic number.

12112131331211 is a deficient number, since it is larger than the sum of its proper divisors (31437767749).

12112131331211 is an equidigital number, since it uses as much as digits as its factorization.

12112131331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772653.

The product of its digits is 216, while the sum is 23.

Adding to 12112131331211 its reverse (11213313121121), we get a palindrome (23325444452332).

The spelling of 12112131331211 in words is "twelve trillion, one hundred twelve billion, one hundred thirty-one million, three hundred thirty-one thousand, two hundred eleven".