442143433332212 has 24 divisors (see below), whose sum is σ = 821035246098816. Its totient is φ = 207618108179328.

The previous prime is 442143433332169. The next prime is 442143433332257. The reversal of 442143433332212 is 212233334341244.

It is a self number, because there is not a number n which added to its sum of digits gives 442143433332212.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7021684838 + ... + 7021747805.

It is an arithmetic number, because the mean of its divisors is an integer number (34209801920784).

Almost surely, 2^{442143433332212} is an apocalyptic number.

It is an amenable number.

442143433332212 is a deficient number, since it is larger than the sum of its proper divisors (378891812766604).

442143433332212 is a wasteful number, since it uses less digits than its factorization.

442143433332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14043433127 (or 14043433125 counting only the distinct ones).

The product of its digits is 995328, while the sum is 41.

Adding to 442143433332212 its reverse (212233334341244), we get a palindrome (654376767673456).

The spelling of 442143433332212 in words is "four hundred forty-two trillion, one hundred forty-three billion, four hundred thirty-three million, three hundred thirty-two thousand, two hundred twelve".