12112200220212 has 60 divisors (see below), whose sum is σ = 31680608895936. Its totient is φ = 4035241987920.

The previous prime is 12112200220207. The next prime is 12112200220213. The reversal of 12112200220212 is 21202200221121.

It is a happy number.

12112200220212 is a `hidden beast` number, since 1 + 2 + 11 + 220 + 0 + 220 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112200220213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9383998 + ... + 10596405.

Almost surely, 2^{12112200220212} is an apocalyptic number.

12112200220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112200220212 is an abundant number, since it is smaller than the sum of its proper divisors (19568408675724).

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

12112200220212 is a wasteful number, since it uses less digits than its factorization.

12112200220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19982290 (or 19982279 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12112200220212 its reverse (21202200221121), we get a palindrome (33314400441333).

Subtracting 12112200220212 from its reverse (21202200221121), we obtain a palindrome (9090000000909).

The spelling of 12112200220212 in words is "twelve trillion, one hundred twelve billion, two hundred million, two hundred twenty thousand, two hundred twelve".