212224043207 has 4 divisors (see below), whose sum is σ = 231517138056. Its totient is φ = 192930948360.

The previous prime is 212224043191. The next prime is 212224043237. The reversal of 212224043207 is 702340422212.

212224043207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212224043207 - 2⁴ = 212224043191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212224043207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224043237) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9646547408 + ... + 9646547429.

It is an arithmetic number, because the mean of its divisors is an integer number (57879284514).

Almost surely, 2^212224043207 is an apocalyptic number.

212224043207 is a deficient number, since it is larger than the sum of its proper divisors (19293094849).

212224043207 is a wasteful number, since it uses less digits than its factorization.

212224043207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19293094848.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 212224043207 its reverse (702340422212), we get a palindrome (914564465419).

The spelling of 212224043207 in words is "two hundred twelve billion, two hundred twenty-four million, forty-three thousand, two hundred seven".