212012330030 has 32 divisors (see below), whose sum is σ = 385267333824. Its totient is φ = 83995946496.

The previous prime is 212012329981. The next prime is 212012330041. The reversal of 212012330030 is 30033210212.

It is a junction number, because it is equal to n+sod(n) for n = 212012329990 and 212012330008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577327 + ... + 1706453.

It is an arithmetic number, because the mean of its divisors is an integer number (12039604182).

Almost surely, 2^212012330030 is an apocalyptic number.

212012330030 is a deficient number, since it is larger than the sum of its proper divisors (173255003794).

212012330030 is a wasteful number, since it uses less digits than its factorization.

212012330030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130700.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212012330030 its reverse (30033210212), we get a palindrome (242045540242).

The spelling of 212012330030 in words is "two hundred twelve billion, twelve million, three hundred thirty thousand, thirty".