212344243 has 8 divisors (see below), whose sum is σ = 213748416. Its totient is φ = 210945000.

The previous prime is 212344241. The next prime is 212344271. The reversal of 212344243 is 342443212.

It is a happy number.

212344243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212344243 - 2¹ = 212344241 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (212344241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122380 + ... + 124102.

It is an arithmetic number, because the mean of its divisors is an integer number (26718552).

Almost surely, 2^212344243 is an apocalyptic number.

212344243 is a deficient number, since it is larger than the sum of its proper divisors (1404173).

212344243 is a wasteful number, since it uses less digits than its factorization.

212344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465.

The product of its digits is 4608, while the sum is 25.

The square root of 212344243 is about 14572.0363367650. The cubic root of 212344243 is about 596.5957616120.

Adding to 212344243 its reverse (342443212), we get a palindrome (554787455).

The spelling of 212344243 in words is "two hundred twelve million, three hundred forty-four thousand, two hundred forty-three".