12112052205 has 48 divisors (see below), whose sum is σ = 21496970880. Its totient is φ = 5818538880.

The previous prime is 12112052177. The next prime is 12112052207. The reversal of 12112052205 is 50225021121.

It is not a de Polignac number, because 12112052205 - 2¹⁰ = 12112051181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112052207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167224 + ... + 228446.

It is an arithmetic number, because the mean of its divisors is an integer number (447853560).

Almost surely, 2^12112052205 is an apocalyptic number.

12112052205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12112052205 is a deficient number, since it is larger than the sum of its proper divisors (9384918675).

12112052205 is a wasteful number, since it uses less digits than its factorization.

12112052205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61362 (or 61351 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 12112052205 its reverse (50225021121), we get a palindrome (62337073326).

The spelling of 12112052205 in words is "twelve billion, one hundred twelve million, fifty-two thousand, two hundred five".