12112022011 has 16 divisors (see below), whose sum is σ = 13231905120. Its totient is φ = 11041413120.

The previous prime is 12112021993. The next prime is 12112022023. The reversal of 12112022011 is 11022021121.

It is a cyclic number.

It is not a de Polignac number, because 12112022011 - 2⁹ = 12112021499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12112021982 and 12112022000.

It is not an unprimeable number, because it can be changed into a prime (12112022051) 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, 34375 + ... + 159391.

It is an arithmetic number, because the mean of its divisors is an integer number (826994070).

Almost surely, 2^12112022011 is an apocalyptic number.

12112022011 is a deficient number, since it is larger than the sum of its proper divisors (1119883109).

12112022011 is a wasteful number, since it uses less digits than its factorization.

12112022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125214.

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

Adding to 12112022011 its reverse (11022021121), we get a palindrome (23134043132).

The spelling of 12112022011 in words is "twelve billion, one hundred twelve million, twenty-two thousand, eleven".