212330534 has 8 divisors (see below), whose sum is σ = 342995520. Its totient is φ = 97998696.

The previous prime is 212330533. The next prime is 212330543. The reversal of 212330534 is 435033212.

212330534 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330533) 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, 4083254 + ... + 4083305.

It is an arithmetic number, because the mean of its divisors is an integer number (42874440).

Almost surely, 2^212330534 is an apocalyptic number.

212330534 is a deficient number, since it is larger than the sum of its proper divisors (130664986).

212330534 is a wasteful number, since it uses less digits than its factorization.

212330534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166574.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 212330534 is about 14571.5659419295. The cubic root of 212330534 is about 596.5829225428.

Adding to 212330534 its reverse (435033212), we get a palindrome (647363746).

The spelling of 212330534 in words is "two hundred twelve million, three hundred thirty thousand, five hundred thirty-four".