212000222110009 has 4 divisors (see below), whose sum is σ = 212000961761316. Its totient is φ = 211999482458704.

The previous prime is 212000222109989. The next prime is 212000222110063. The reversal of 212000222110009 is 900011222000212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24381592323984 + 187618629786025 = 4937772^2 + 13697395^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000222110009 - 2²¹ = 212000220012857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000222110109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369395554 + ... + 369969019.

It is an arithmetic number, because the mean of its divisors is an integer number (53000240440329).

Almost surely, 2^{212000222110009} is an apocalyptic number.

It is an amenable number.

212000222110009 is a deficient number, since it is larger than the sum of its proper divisors (739651307).

212000222110009 is an equidigital number, since it uses as much as digits as its factorization.

212000222110009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739651306.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 212000222110009 in words is "two hundred twelve trillion, two hundred twenty-two million, one hundred ten thousand, nine".