12112221212196 has 36 divisors (see below), whose sum is σ = 32876029006128. Its totient is φ = 3460634631888.

The previous prime is 12112221212167. The next prime is 12112221212197. The reversal of 12112221212196 is 69121212221121.

It is not an unprimeable number, because it can be changed into a prime (12112221212197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10299507246 + ... + 10299508421.

It is an arithmetic number, because the mean of its divisors is an integer number (913223027948).

Almost surely, 2^{12112221212196} is an apocalyptic number.

It is an amenable number.

12112221212196 is an abundant number, since it is smaller than the sum of its proper divisors (20763807793932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112221212196 is a wasteful number, since it uses less digits than its factorization.

12112221212196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20599015688 (or 20599015679 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The spelling of 12112221212196 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred ninety-six".