12112201112110 has 64 divisors (see below), whose sum is σ = 23808554000640. Its totient is φ = 4399884497920.

The previous prime is 12112201112029. The next prime is 12112201112113. The reversal of 12112201112110 is 1121110221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112201112113) 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, 459008337 + ... + 459034723.

It is an arithmetic number, because the mean of its divisors is an integer number (372008656260).

Almost surely, 2^{12112201112110} is an apocalyptic number.

12112201112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112201112110 is a deficient number, since it is larger than the sum of its proper divisors (11696352888530).

12112201112110 is a wasteful number, since it uses less digits than its factorization.

12112201112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30561.

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

Adding to 12112201112110 its reverse (1121110221121), we get a palindrome (13233311333231).

The spelling of 12112201112110 in words is "twelve trillion, one hundred twelve billion, two hundred one million, one hundred twelve thousand, one hundred ten".