212340344 has 16 divisors (see below), whose sum is σ = 398752200. Its totient is φ = 106006432.

The previous prime is 212340343. The next prime is 212340367. The reversal of 212340344 is 443043212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212340343) 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, 14867 + ... + 25410.

Almost surely, 2^212340344 is an apocalyptic number.

It is an amenable number.

212340344 is a deficient number, since it is larger than the sum of its proper divisors (186411856).

212340344 is a wasteful number, since it uses less digits than its factorization.

212340344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40942 (or 40938 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 212340344 is about 14571.9025525152. The cubic root of 212340344 is about 596.5921100867.

Adding to 212340344 its reverse (443043212), we get a palindrome (655383556).

The spelling of 212340344 in words is "two hundred twelve million, three hundred forty thousand, three hundred forty-four".