12112001200205 has 16 divisors (see below), whose sum is σ = 15166539892224. Its totient is φ = 9268186878720.

The previous prime is 12112001200181. The next prime is 12112001200207. The reversal of 12112001200205 is 50200210021121.

It is not a de Polignac number, because 12112001200205 - 2¹⁸ = 12112000938061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112001200207) 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, 8176172 + ... + 9543258.

It is an arithmetic number, because the mean of its divisors is an integer number (947908743264).

Almost surely, 2^{12112001200205} is an apocalyptic number.

It is an amenable number.

12112001200205 is a deficient number, since it is larger than the sum of its proper divisors (3054538692019).

12112001200205 is a wasteful number, since it uses less digits than its factorization.

12112001200205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444156.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12112001200205 its reverse (50200210021121), we get a palindrome (62312211221326).

The spelling of 12112001200205 in words is "twelve trillion, one hundred twelve billion, one million, two hundred thousand, two hundred five".