12112010210220 has 96 divisors (see below), whose sum is σ = 33997875690240. Its totient is φ = 3221850274560.

The previous prime is 12112010210203. The next prime is 12112010210227. The reversal of 12112010210220 is 2201201021121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12112010210220.

It is not an unprimeable number, because it can be changed into a prime (12112010210227) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 90076759 + ... + 90211121.

It is an arithmetic number, because the mean of its divisors is an integer number (354144538440).

Almost surely, 2^{12112010210220} is an apocalyptic number.

12112010210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112010210220 is an abundant number, since it is smaller than the sum of its proper divisors (21885865480020).

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

12112010210220 is a wasteful number, since it uses less digits than its factorization.

12112010210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138095 (or 138093 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112010210220 its reverse (2201201021121), we get a palindrome (14313211231341).

The spelling of 12112010210220 in words is "twelve trillion, one hundred twelve billion, ten million, two hundred ten thousand, two hundred twenty".