12424421342 has 4 divisors (see below), whose sum is σ = 18636632016. Its totient is φ = 6212210670.

The previous prime is 12424421323. The next prime is 12424421351. The reversal of 12424421342 is 24312442421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106105334 + ... + 3106105337.

It is an arithmetic number, because the mean of its divisors is an integer number (4659158004).

Almost surely, 2^12424421342 is an apocalyptic number.

12424421342 is a deficient number, since it is larger than the sum of its proper divisors (6212210674).

12424421342 is an equidigital number, since it uses as much as digits as its factorization.

12424421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212210673.

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

Adding to 12424421342 its reverse (24312442421), we get a palindrome (36736863763).

The spelling of 12424421342 in words is "twelve billion, four hundred twenty-four million, four hundred twenty-one thousand, three hundred forty-two".