12442534455242 has 8 divisors (see below), whose sum is σ = 18810760751616. Its totient is φ = 6172280871372.

The previous prime is 12442534455209. The next prime is 12442534455257. The reversal of 12442534455242 is 24255443524421.

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

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, 24493177808 + ... + 24493178315.

It is an arithmetic number, because the mean of its divisors is an integer number (2351345093952).

Almost surely, 2^{12442534455242} is an apocalyptic number.

12442534455242 is a deficient number, since it is larger than the sum of its proper divisors (6368226296374).

12442534455242 is a wasteful number, since it uses less digits than its factorization.

12442534455242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48986356252.

The product of its digits is 6144000, while the sum is 47.

Adding to 12442534455242 its reverse (24255443524421), we get a palindrome (36697977979663).

The spelling of 12442534455242 in words is "twelve trillion, four hundred forty-two billion, five hundred thirty-four million, four hundred fifty-five thousand, two hundred forty-two".