212224043286 has 12 divisors (see below), whose sum is σ = 459818760492. Its totient is φ = 70741347756.

The previous prime is 212224043237. The next prime is 212224043287. The reversal of 212224043286 is 682340422212.

212224043286 is a `hidden beast` number, since 2 + 1 + 222 + 404 + 3 + 28 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 212224043286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224043287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5895112296 + ... + 5895112331.

It is an arithmetic number, because the mean of its divisors is an integer number (38318230041).

Almost surely, 2^212224043286 is an apocalyptic number.

212224043286 is an abundant number, since it is smaller than the sum of its proper divisors (247594717206).

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

212224043286 is a wasteful number, since it uses less digits than its factorization.

212224043286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11790224635 (or 11790224632 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 212224043286 its reverse (682340422212), we get a palindrome (894564465498).

The spelling of 212224043286 in words is "two hundred twelve billion, two hundred twenty-four million, forty-three thousand, two hundred eighty-six".