442225012123 has 8 divisors (see below), whose sum is σ = 443880281600. Its totient is φ = 440569915560.

The previous prime is 442225012093. The next prime is 442225012169. The reversal of 442225012123 is 321210522244.

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

It is a cyclic number.

It is not a de Polignac number, because 442225012123 - 2¹⁷ = 442224881051 is a prime.

It is a super-2 number, since 2×442225012123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442225012091 and 442225012100.

It is not an unprimeable number, because it can be changed into a prime (442225012423) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 7582528 + ... + 7640626.

It is an arithmetic number, because the mean of its divisors is an integer number (55485035200).

Almost surely, 2^442225012123 is an apocalyptic number.

442225012123 is a deficient number, since it is larger than the sum of its proper divisors (1655269477).

442225012123 is a wasteful number, since it uses less digits than its factorization.

442225012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86457.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 442225012123 its reverse (321210522244), we get a palindrome (763435534367).

The spelling of 442225012123 in words is "four hundred forty-two billion, two hundred twenty-five million, twelve thousand, one hundred twenty-three".