12240124442 has 64 divisors (see below), whose sum is σ = 23097984000. Its totient is φ = 4833924480.

The previous prime is 12240124433. The next prime is 12240124447. The reversal of 12240124442 is 24442104221.

It is a happy number.

12240124442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12240124442² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (12240124447) 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, 9265142 + ... + 9266462.

It is an arithmetic number, because the mean of its divisors is an integer number (360906000).

Almost surely, 2^12240124442 is an apocalyptic number.

12240124442 is a deficient number, since it is larger than the sum of its proper divisors (10857859558).

12240124442 is a wasteful number, since it uses less digits than its factorization.

12240124442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 12240124442 its reverse (24442104221), we get a palindrome (36682228663).

The spelling of 12240124442 in words is "twelve billion, two hundred forty million, one hundred twenty-four thousand, four hundred forty-two".