212330342 has 32 divisors (see below), whose sum is σ = 381652992. Its totient is φ = 86622624.

The previous prime is 212330317. The next prime is 212330353. The reversal of 212330342 is 243033212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70328 + ... + 73284.

It is an arithmetic number, because the mean of its divisors is an integer number (11926656).

Almost surely, 2^212330342 is an apocalyptic number.

212330342 is a deficient number, since it is larger than the sum of its proper divisors (169322650).

212330342 is a wasteful number, since it uses less digits than its factorization.

212330342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 212330342 is about 14571.5593537548. The cubic root of 212330342 is about 596.5827427226.

Adding to 212330342 its reverse (243033212), we get a palindrome (455363554).

The spelling of 212330342 in words is "two hundred twelve million, three hundred thirty thousand, three hundred forty-two".