12112022012 has 24 divisors (see below), whose sum is σ = 21845651520. Its totient is φ = 5872772160.

The previous prime is 12112021993. The next prime is 12112022023. The reversal of 12112022012 is 21022021121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275039 + ... + 316022.

It is an arithmetic number, because the mean of its divisors is an integer number (910235480).

Almost surely, 2^12112022012 is an apocalyptic number.

It is an amenable number.

12112022012 is a deficient number, since it is larger than the sum of its proper divisors (9733629508).

12112022012 is a wasteful number, since it uses less digits than its factorization.

12112022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591221 (or 591219 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12112022012 its reverse (21022021121), we get a palindrome (33134043133).

The spelling of 12112022012 in words is "twelve billion, one hundred twelve million, twenty-two thousand, twelve".