12112311232011 has 8 divisors (see below), whose sum is σ = 16543644609744. Its totient is φ = 7877926004480.

The previous prime is 12112311232009. The next prime is 12112311232013. The reversal of 12112311232011 is 11023211321121.

It is an interprime number because it is at equal distance from previous prime (12112311232009) and next prime (12112311232013).

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 12112311232011 - 2¹ = 12112311232009 is a prime.

It is a super-2 number, since 2×12112311232011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12112311232013) 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, 49237037406 + ... + 49237037651.

It is an arithmetic number, because the mean of its divisors is an integer number (2067955576218).

Almost surely, 2^{12112311232011} is an apocalyptic number.

12112311232011 is a deficient number, since it is larger than the sum of its proper divisors (4431333377733).

12112311232011 is an equidigital number, since it uses as much as digits as its factorization.

12112311232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98474075101.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12112311232011 its reverse (11023211321121), we get a palindrome (23135522553132).

The spelling of 12112311232011 in words is "twelve trillion, one hundred twelve billion, three hundred eleven million, two hundred thirty-two thousand, eleven".