212318343 has 12 divisors (see below), whose sum is σ = 306900880. Its totient is φ = 141444576.

The previous prime is 212318333. The next prime is 212318387. The reversal of 212318343 is 343813212.

212318343 is a `hidden beast` number, since 2 + 1 + 2 + 318 + 343 = 666.

It is not a de Polignac number, because 212318343 - 2¹² = 212314247 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 (212318303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6243 + ... + 21531.

Almost surely, 2^212318343 is an apocalyptic number.

212318343 is a deficient number, since it is larger than the sum of its proper divisors (94582537).

212318343 is a wasteful number, since it uses less digits than its factorization.

212318343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16838 (or 16835 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 212318343 is about 14571.1476212411. The cubic root of 212318343 is about 596.5715046817.

The spelling of 212318343 in words is "two hundred twelve million, three hundred eighteen thousand, three hundred forty-three".