30304212 has 12 divisors (see below), whose sum is σ = 70709856. Its totient is φ = 10101400.

The previous prime is 30304187. The next prime is 30304231. The reversal of 30304212 is 21240303.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30304191 and 30304200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262664 + ... + 1262687.

It is an arithmetic number, because the mean of its divisors is an integer number (5892488).

Almost surely, 2^30304212 is an apocalyptic number.

It is an amenable number.

30304212 is an abundant number, since it is smaller than the sum of its proper divisors (40405644).

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

30304212 is a wasteful number, since it uses less digits than its factorization.

30304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525358 (or 2525356 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30304212 is about 5504.9261575429. The cubic root of 30304212 is about 311.7700063709.

Adding to 30304212 its reverse (21240303), we get a palindrome (51544515).

The spelling of 30304212 in words is "thirty million, three hundred four thousand, two hundred twelve".