212342235205 has 8 divisors (see below), whose sum is σ = 258036134400. Its totient is φ = 167723486736.

The previous prime is 212342235163. The next prime is 212342235211. The reversal of 212342235205 is 502532243212.

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 212342235205 - 2¹⁷ = 212342104133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268787245 + ... + 268788034.

It is an arithmetic number, because the mean of its divisors is an integer number (32254516800).

Almost surely, 2^212342235205 is an apocalyptic number.

It is an amenable number.

212342235205 is a deficient number, since it is larger than the sum of its proper divisors (45693899195).

212342235205 is an equidigital number, since it uses as much as digits as its factorization.

212342235205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537575363.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 212342235205 its reverse (502532243212), we get a palindrome (714874478417).

The spelling of 212342235205 in words is "two hundred twelve billion, three hundred forty-two million, two hundred thirty-five thousand, two hundred five".