212034343 has 4 divisors (see below), whose sum is σ = 216545760. Its totient is φ = 207522928.

The previous prime is 212034331. The next prime is 212034371. The reversal of 212034343 is 343430212.

It is a happy number.

212034343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212034343 - 2⁵ = 212034311 is a prime.

It is a super-2 number, since 2×212034343² = 89917125222883298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212034323) 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, 2255638 + ... + 2255731.

It is an arithmetic number, because the mean of its divisors is an integer number (54136440).

Almost surely, 2^212034343 is an apocalyptic number.

212034343 is a deficient number, since it is larger than the sum of its proper divisors (4511417).

212034343 is an equidigital number, since it uses as much as digits as its factorization.

212034343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511416.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 212034343 is about 14561.3990742648. The cubic root of 212034343 is about 596.3053918509.

Adding to 212034343 its reverse (343430212), we get a palindrome (555464555).

It can be divided in two parts, 2120 and 34343, that added together give a palindrome (36463).

The spelling of 212034343 in words is "two hundred twelve million, thirty-four thousand, three hundred forty-three".