212000110205 has 8 divisors (see below), whose sum is σ = 273969373272. Its totient is φ = 156553927488.

The previous prime is 212000110177. The next prime is 212000110207. The reversal of 212000110205 is 502011000212.

It can be written as a sum of positive squares in 4 ways, for example, as 22439141209 + 189560968996 = 149797^2 + 435386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212000110205 - 2⁶ = 212000110141 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 212000110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000110207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630770014 + ... + 1630770143.

It is an arithmetic number, because the mean of its divisors is an integer number (34246171659).

Almost surely, 2^212000110205 is an apocalyptic number.

It is an amenable number.

212000110205 is a deficient number, since it is larger than the sum of its proper divisors (61969263067).

212000110205 is a wasteful number, since it uses less digits than its factorization.

212000110205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261540175.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 212000110205 its reverse (502011000212), we get a palindrome (714011110417).

The spelling of 212000110205 in words is "two hundred twelve billion, one hundred ten thousand, two hundred five".