212012203343 has 16 divisors (see below), whose sum is σ = 226073242080. Its totient is φ = 198131122176.

The previous prime is 212012203267. The next prime is 212012203349. The reversal of 212012203343 is 343302210212.

It is a cyclic number.

It is not a de Polignac number, because 212012203343 - 2²⁰ = 212011154767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012203349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2008655 + ... + 2111567.

It is an arithmetic number, because the mean of its divisors is an integer number (14129577630).

Almost surely, 2^212012203343 is an apocalyptic number.

212012203343 is a deficient number, since it is larger than the sum of its proper divisors (14061038737).

212012203343 is a wasteful number, since it uses less digits than its factorization.

212012203343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103786.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212012203343 its reverse (343302210212), we get a palindrome (555314413555).

The spelling of 212012203343 in words is "two hundred twelve billion, twelve million, two hundred three thousand, three hundred forty-three".