212101343 has 4 divisors (see below), whose sum is σ = 212133600. Its totient is φ = 212069088.

The previous prime is 212101319. The next prime is 212101361. The reversal of 212101343 is 343101212.

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 212101343 - 2¹⁶ = 212035807 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 (212101543) 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, 2330 + ... + 20727.

It is an arithmetic number, because the mean of its divisors is an integer number (53033400).

Almost surely, 2^212101343 is an apocalyptic number.

212101343 is a deficient number, since it is larger than the sum of its proper divisors (32257).

212101343 is an equidigital number, since it uses as much as digits as its factorization.

212101343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32256.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 212101343 is about 14563.6994956639. The cubic root of 212101343 is about 596.3681933973.

Adding to 212101343 its reverse (343101212), we get a palindrome (555202555).

The spelling of 212101343 in words is "two hundred twelve million, one hundred one thousand, three hundred forty-three".