12424421442 has 64 divisors (see below), whose sum is σ = 26911941120. Its totient is φ = 3811826304.

The previous prime is 12424421441. The next prime is 12424421447. The reversal of 12424421442 is 24412442421.

It is not an unprimeable number, because it can be changed into a prime (12424421441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546433 + ... + 568715.

It is an arithmetic number, because the mean of its divisors is an integer number (420499080).

Almost surely, 2^12424421442 is an apocalyptic number.

12424421442 is an abundant number, since it is smaller than the sum of its proper divisors (14487519678).

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

12424421442 is a wasteful number, since it uses less digits than its factorization.

12424421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22447.

The product of its digits is 16384, while the sum is 30.

Adding to 12424421442 its reverse (24412442421), we get a palindrome (36836863863).

The spelling of 12424421442 in words is "twelve billion, four hundred twenty-four million, four hundred twenty-one thousand, four hundred forty-two".