442080214212 has 144 divisors (see below), whose sum is σ = 1298363543232. Its totient is φ = 116039589120.

The previous prime is 442080214187. The next prime is 442080214223. The reversal of 442080214212 is 212412080244.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 442080214212.

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 47 ways as a sum of consecutive naturals, for example, 1475838 + ... + 1749930.

Almost surely, 2^442080214212 is an apocalyptic number.

442080214212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442080214212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649181771616).

442080214212 is an abundant number, since it is smaller than the sum of its proper divisors (856283329020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442080214212 is a wasteful number, since it uses less digits than its factorization.

442080214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274338 (or 274329 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 442080214212 its reverse (212412080244), we get a palindrome (654492294456).

The spelling of 442080214212 in words is "four hundred forty-two billion, eighty million, two hundred fourteen thousand, two hundred twelve".