2212134234205 has 16 divisors (see below), whose sum is σ = 3033831611520. Its totient is φ = 1516868286912.

The previous prime is 2212134234173. The next prime is 2212134234209. The reversal of 2212134234205 is 5024324312122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2212134234205 - 2⁵ = 2212134234173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212134234209) 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 15 ways as a sum of consecutive naturals, for example, 1940206 + ... + 2861584.

It is an arithmetic number, because the mean of its divisors is an integer number (189614475720).

Almost surely, 2^{2212134234205} is an apocalyptic number.

It is an amenable number.

2212134234205 is a deficient number, since it is larger than the sum of its proper divisors (821697377315).

2212134234205 is an equidigital number, since it uses as much as digits as its factorization.

2212134234205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989988.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2212134234205 its reverse (5024324312122), we get a palindrome (7236458546327).

The spelling of 2212134234205 in words is "two trillion, two hundred twelve billion, one hundred thirty-four million, two hundred thirty-four thousand, two hundred five".