12112231110001 has 16 divisors (see below), whose sum is σ = 13254243370560. Its totient is φ = 10977088150080.

The previous prime is 12112231109987. The next prime is 12112231110013. The reversal of 12112231110001 is 10001113221121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12112231110001 - 2⁵ = 12112231109969 is a prime.

It is a super-2 number, since 2×12112231110001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112231110061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3295915 + ... + 5923471.

It is an arithmetic number, because the mean of its divisors is an integer number (828390210660).

Almost surely, 2^{12112231110001} is an apocalyptic number.

12112231110001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112231110001 is a deficient number, since it is larger than the sum of its proper divisors (1142012260559).

12112231110001 is a wasteful number, since it uses less digits than its factorization.

12112231110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628864.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12112231110001 its reverse (10001113221121), we get a palindrome (22113344331122).

The spelling of 12112231110001 in words is "twelve trillion, one hundred twelve billion, two hundred thirty-one million, one hundred ten thousand, one".