12112022021211 has 64 divisors (see below), whose sum is σ = 21378239078400. Its totient is φ = 6631576272000.

The previous prime is 12112022021201. The next prime is 12112022021257. The reversal of 12112022021211 is 11212022021121.

12112022021211 is a `hidden beast` number, since 1 + 211 + 2 + 0 + 220 + 21 + 211 = 666.

It is not a de Polignac number, because 12112022021211 - 2⁷ = 12112022021083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112022021201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9642156 + ... + 10825673.

It is an arithmetic number, because the mean of its divisors is an integer number (334034985600).

Almost surely, 2^{12112022021211} is an apocalyptic number.

12112022021211 is a deficient number, since it is larger than the sum of its proper divisors (9266217057189).

12112022021211 is a wasteful number, since it uses less digits than its factorization.

12112022021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20467977 (or 20467971 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12112022021211 its reverse (11212022021121), we get a palindrome (23324044042332).

The spelling of 12112022021211 in words is "twelve trillion, one hundred twelve billion, twenty-two million, twenty-one thousand, two hundred eleven".