12042344242 has 8 divisors (see below), whose sum is σ = 18077383296. Its totient is φ = 6016549812.

The previous prime is 12042344141. The next prime is 12042344257. The reversal of 12042344242 is 24244324021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12042344242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307898 + ... + 2313109.

It is an arithmetic number, because the mean of its divisors is an integer number (2259672912).

Almost surely, 2^12042344242 is an apocalyptic number.

12042344242 is a deficient number, since it is larger than the sum of its proper divisors (6035039054).

12042344242 is a wasteful number, since it uses less digits than its factorization.

12042344242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622312.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12042344242 its reverse (24244324021), we get a palindrome (36286668263).

The spelling of 12042344242 in words is "twelve billion, forty-two million, three hundred forty-four thousand, two hundred forty-two".