442231412122 has 4 divisors (see below), whose sum is σ = 663347118186. Its totient is φ = 221115706060.

The previous prime is 442231412089. The next prime is 442231412137. The reversal of 442231412122 is 221214132244.

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

It can be written as a sum of positive squares in only one way, i.e., 359557336161 + 82674075961 = 599631^2 + 287531^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110557853029 + ... + 110557853032.

Almost surely, 2^442231412122 is an apocalyptic number.

442231412122 is a deficient number, since it is larger than the sum of its proper divisors (221115706064).

442231412122 is a wasteful number, since it uses less digits than its factorization.

442231412122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221115706063.

The product of its digits is 6144, while the sum is 28.

Adding to 442231412122 its reverse (221214132244), we get a palindrome (663445544366).

The spelling of 442231412122 in words is "four hundred forty-two billion, two hundred thirty-one million, four hundred twelve thousand, one hundred twenty-two".