12112012010011 has 4 divisors (see below), whose sum is σ = 12112036319152. Its totient is φ = 12111987700872.

The previous prime is 12112012009997. The next prime is 12112012010029. The reversal of 12112012010011 is 11001021021121.

It is a happy number.

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 12112012010011 - 2¹³ = 12112012001819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12112012009973 and 12112012010000.

It is not an unprimeable number, because it can be changed into a prime (12112012010311) 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, 11391216 + ... + 12409021.

It is an arithmetic number, because the mean of its divisors is an integer number (3028009079788).

Almost surely, 2^{12112012010011} is an apocalyptic number.

12112012010011 is a deficient number, since it is larger than the sum of its proper divisors (24309141).

12112012010011 is an equidigital number, since it uses as much as digits as its factorization.

12112012010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24309140.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12112012010011 its reverse (11001021021121), we get a palindrome (23113033031132).

The spelling of 12112012010011 in words is "twelve trillion, one hundred twelve billion, twelve million, ten thousand, eleven".