30000212 has 12 divisors (see below), whose sum is σ = 57273216. Its totient is φ = 13636440.

The previous prime is 30000199. The next prime is 30000247. The reversal of 30000212 is 21200003.

It is a self number, because there is not a number n which added to its sum of digits gives 30000212.

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 3 ways as a sum of consecutive naturals, for example, 340868 + ... + 340955.

It is an arithmetic number, because the mean of its divisors is an integer number (4772768).

Almost surely, 2^30000212 is an apocalyptic number.

It is an amenable number.

30000212 is a deficient number, since it is larger than the sum of its proper divisors (27273004).

30000212 is a wasteful number, since it uses less digits than its factorization.

30000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681838 (or 681836 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 30000212 is about 5477.2449278812. The cubic root of 30000212 is about 310.7239825195.

Adding to 30000212 its reverse (21200003), we get a palindrome (51200215).

The spelling of 30000212 in words is "thirty million, two hundred twelve", and thus it is an aban number.