12112101011020 has 48 divisors (see below), whose sum is σ = 28349066158560. Its totient is φ = 4319857695744.

The previous prime is 12112101011011. The next prime is 12112101011033. The reversal of 12112101011020 is 2011010121121.

It is a happy number.

It is a super-3 number, since 3×12112101011020³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 937462659 + ... + 937475578.

It is an arithmetic number, because the mean of its divisors is an integer number (590605544970).

Almost surely, 2^{12112101011020} is an apocalyptic number.

12112101011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112101011020 is an abundant number, since it is smaller than the sum of its proper divisors (16236965147540).

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

12112101011020 is a wasteful number, since it uses less digits than its factorization.

12112101011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874938282 (or 1874938280 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12112101011020 its reverse (2011010121121), we get a palindrome (14123111132141).

The spelling of 12112101011020 in words is "twelve trillion, one hundred twelve billion, one hundred one million, eleven thousand, twenty".