12112020012 has 48 divisors (see below), whose sum is σ = 29039915520. Its totient is φ = 3926908608.

The previous prime is 12112020007. The next prime is 12112020017. The reversal of 12112020012 is 21002021121.

12112020012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12112020007) and next prime (12112020017).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12112020012.

It is not an unprimeable number, because it can be changed into a prime (12112020017) 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 15 ways as a sum of consecutive naturals, for example, 74218 + ... + 172430.

It is an arithmetic number, because the mean of its divisors is an integer number (604998240).

Almost surely, 2^12112020012 is an apocalyptic number.

12112020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112020012 is an abundant number, since it is smaller than the sum of its proper divisors (16927895508).

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

12112020012 is a wasteful number, since it uses less digits than its factorization.

12112020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98502 (or 98500 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12112020012 its reverse (21002021121), we get a palindrome (33114041133).

The spelling of 12112020012 in words is "twelve billion, one hundred twelve million, twenty thousand, twelve".