12112002211 has 4 divisors (see below), whose sum is σ = 12113235424. Its totient is φ = 12110769000.

The previous prime is 12112002187. The next prime is 12112002233. The reversal of 12112002211 is 11220021121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112002211 - 2¹¹ = 12112000163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12112002191 and 12112002200.

It is not an unprimeable number, because it can be changed into a prime (12112002241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601755 + ... + 621556.

It is an arithmetic number, because the mean of its divisors is an integer number (3028308856).

Almost surely, 2^12112002211 is an apocalyptic number.

12112002211 is a deficient number, since it is larger than the sum of its proper divisors (1233213).

12112002211 is an equidigital number, since it uses as much as digits as its factorization.

12112002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233212.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12112002211 its reverse (11220021121), we get a palindrome (23332023332).

The spelling of 12112002211 in words is "twelve billion, one hundred twelve million, two thousand, two hundred eleven".