12112122240024 has 128 divisors (see below), whose sum is σ = 32399758425600. Its totient is φ = 3761802915840.

The previous prime is 12112122239999. The next prime is 12112122240037. The reversal of 12112122240024 is 42004222121121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12112122239976 and 12112122240003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438561064 + ... + 438588680.

It is an arithmetic number, because the mean of its divisors is an integer number (253123112700).

Almost surely, 2^{12112122240024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112122240024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16199879212800).

12112122240024 is an abundant number, since it is smaller than the sum of its proper divisors (20287636185576).

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

12112122240024 is a wasteful number, since it uses less digits than its factorization.

12112122240024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43473 (or 43469 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 12112122240024 its reverse (42004222121121), we get a palindrome (54116344361145).

The spelling of 12112122240024 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-two million, two hundred forty thousand, twenty-four".