212010030 has 48 divisors (see below), whose sum is σ = 552193200. Its totient is φ = 56436864.

The previous prime is 212009989. The next prime is 212010041. The reversal of 212010030 is 30010212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 212009994 and 212010021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59746 + ... + 63194.

It is an arithmetic number, because the mean of its divisors is an integer number (11504025).

Almost surely, 2^212010030 is an apocalyptic number.

212010030 is an abundant number, since it is smaller than the sum of its proper divisors (340183170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212010030 is a wasteful number, since it uses less digits than its factorization.

212010030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 212010030 is about 14560.5642061014. The cubic root of 212010030 is about 596.2825991169.

Adding to 212010030 its reverse (30010212), we get a palindrome (242020242).

The spelling of 212010030 in words is "two hundred twelve million, ten thousand, thirty".