212330085 has 64 divisors (see below), whose sum is σ = 399375360. Its totient is φ = 95175680.

The previous prime is 212330033. The next prime is 212330101. The reversal of 212330085 is 580033212.

It is not a de Polignac number, because 212330085 - 2¹² = 212325989 is a prime.

It is a super-2 number, since 2×212330085² = 90168129992214450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164854 + ... + 166136.

It is an arithmetic number, because the mean of its divisors is an integer number (6240240).

Almost surely, 2^212330085 is an apocalyptic number.

It is an amenable number.

212330085 is a deficient number, since it is larger than the sum of its proper divisors (187045275).

212330085 is a wasteful number, since it uses less digits than its factorization.

212330085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 212330085 is about 14571.5505352039. The cubic root of 212330085 is about 596.5825020256.

Adding to 212330085 its reverse (580033212), we get a palindrome (792363297).

The spelling of 212330085 in words is "two hundred twelve million, three hundred thirty thousand, eighty-five".