212330030 has 32 divisors (see below), whose sum is σ = 420249600. Its totient is φ = 76597920.

The previous prime is 212330003. The next prime is 212330033. The reversal of 212330030 is 30033212.

It is a junction number, because it is equal to n+sod(n) for n = 212329987 and 212330014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6371 + ... + 21569.

It is an arithmetic number, because the mean of its divisors is an integer number (13132800).

Almost surely, 2^212330030 is an apocalyptic number.

212330030 is a deficient number, since it is larger than the sum of its proper divisors (207919570).

212330030 is a wasteful number, since it uses less digits than its factorization.

212330030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15344.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 212330030 is about 14571.5486479646. The cubic root of 212330030 is about 596.5824505145.

Adding to 212330030 its reverse (30033212), we get a palindrome (242363242).

The spelling of 212330030 in words is "two hundred twelve million, three hundred thirty thousand, thirty".