12424231442 has 16 divisors (see below), whose sum is σ = 22419666240. Its totient is φ = 5044424688.

The previous prime is 12424231439. The next prime is 12424231447. The reversal of 12424231442 is 24413242421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12424231447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23353553 + ... + 23354084.

It is an arithmetic number, because the mean of its divisors is an integer number (1401229140).

Almost surely, 2^12424231442 is an apocalyptic number.

12424231442 is a deficient number, since it is larger than the sum of its proper divisors (9995434798).

12424231442 is a wasteful number, since it uses less digits than its factorization.

12424231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46707665.

The product of its digits is 12288, while the sum is 29.

Adding to 12424231442 its reverse (24413242421), we get a palindrome (36837473863).

The spelling of 12424231442 in words is "twelve billion, four hundred twenty-four million, two hundred thirty-one thousand, four hundred forty-two".