12112021430240 has 24 divisors (see below), whose sum is σ = 28614650629320. Its totient is φ = 4844808572032.

The previous prime is 12112021430221. The next prime is 12112021430273. The reversal of 12112021430240 is 4203412021121.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37850066810 + ... + 37850067129.

It is an arithmetic number, because the mean of its divisors is an integer number (1192277109555).

Almost surely, 2^{12112021430240} is an apocalyptic number.

12112021430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112021430240 is an abundant number, since it is smaller than the sum of its proper divisors (16502629199080).

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

12112021430240 is an equidigital number, since it uses as much as digits as its factorization.

12112021430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75700133954 (or 75700133946 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12112021430240 its reverse (4203412021121), we get a palindrome (16315433451361).

The spelling of 12112021430240 in words is "twelve trillion, one hundred twelve billion, twenty-one million, four hundred thirty thousand, two hundred forty".