12112122202212 has 24 divisors (see below), whose sum is σ = 28262248926016. Its totient is φ = 4037284002528.

The previous prime is 12112122202189. The next prime is 12112122202253. The reversal of 12112122202212 is 21220222121121.

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, 10696648 + ... + 11774655.

Almost surely, 2^{12112122202212} is an apocalyptic number.

12112122202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112122202212 is an abundant number, since it is smaller than the sum of its proper divisors (16150126723804).

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

12112122202212 is a wasteful number, since it uses less digits than its factorization.

12112122202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22516227 (or 22516225 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12112122202212 its reverse (21220222121121), we get a palindrome (33332344323333).

The spelling of 12112122202212 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-two million, two hundred two thousand, two hundred twelve".