442201444212 has 48 divisors (see below), whose sum is σ = 1128573734400. Its totient is φ = 133646859360.

The previous prime is 442201444189. The next prime is 442201444219. The reversal of 442201444212 is 212444102244.

It is a self number, because there is not a number n which added to its sum of digits gives 442201444212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442201444219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4369512 + ... + 4469567.

It is an arithmetic number, because the mean of its divisors is an integer number (23511952800).

Almost surely, 2^442201444212 is an apocalyptic number.

It is an amenable number.

442201444212 is an abundant number, since it is smaller than the sum of its proper divisors (686372290188).

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

442201444212 is a wasteful number, since it uses less digits than its factorization.

442201444212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8839476 (or 8839474 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 442201444212 its reverse (212444102244), we get a palindrome (654645546456).

The spelling of 442201444212 in words is "four hundred forty-two billion, two hundred one million, four hundred forty-four thousand, two hundred twelve".