12112110202220 has 24 divisors (see below), whose sum is σ = 29069064485664. Its totient is φ = 4152723497856.

The previous prime is 12112110202117. The next prime is 12112110202243. The reversal of 12112110202220 is 2220201121121.

It is a super-3 number, since 3×12112110202220³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43257536297 + ... + 43257536576.

It is an arithmetic number, because the mean of its divisors is an integer number (1211211020236).

Almost surely, 2^{12112110202220} is an apocalyptic number.

12112110202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112110202220 is an abundant number, since it is smaller than the sum of its proper divisors (16956954283444).

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

12112110202220 is a wasteful number, since it uses less digits than its factorization.

12112110202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86515072889 (or 86515072887 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12112110202220 its reverse (2220201121121), we get a palindrome (14332311323341).

The spelling of 12112110202220 in words is "twelve trillion, one hundred twelve billion, one hundred ten million, two hundred two thousand, two hundred twenty".