212044340084 has 24 divisors (see below), whose sum is σ = 384142681440. Its totient is φ = 102294418016.

The previous prime is 212044340077. The next prime is 212044340111. The reversal of 212044340084 is 480043440212.

It is a self number, because there is not a number n which added to its sum of digits gives 212044340084.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 474962 + ... + 806025.

It is an arithmetic number, because the mean of its divisors is an integer number (16005945060).

Almost surely, 2^212044340084 is an apocalyptic number.

It is an amenable number.

212044340084 is a deficient number, since it is larger than the sum of its proper divisors (172098341356).

212044340084 is a wasteful number, since it uses less digits than its factorization.

212044340084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282447 (or 1282445 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 212044340084 its reverse (480043440212), we get a palindrome (692087780296).

The spelling of 212044340084 in words is "two hundred twelve billion, forty-four million, three hundred forty thousand, eighty-four".