12112120101 has 32 divisors (see below), whose sum is σ = 17483558400. Its totient is φ = 7429431296.

The previous prime is 12112120099. The next prime is 12112120109. The reversal of 12112120101 is 10102121121.

It is a cyclic number.

It is not a de Polignac number, because 12112120101 - 2¹ = 12112120099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112120109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2512045 + ... + 2516861.

It is an arithmetic number, because the mean of its divisors is an integer number (546361200).

Almost surely, 2^12112120101 is an apocalyptic number.

It is an amenable number.

12112120101 is a deficient number, since it is larger than the sum of its proper divisors (5371438299).

12112120101 is a wasteful number, since it uses less digits than its factorization.

12112120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12112120101 its reverse (10102121121), we get a palindrome (22214241222).

The spelling of 12112120101 in words is "twelve billion, one hundred twelve million, one hundred twenty thousand, one hundred one".