30383212 has 12 divisors (see below), whose sum is σ = 53279856. Its totient is φ = 15160400.

The previous prime is 30383209. The next prime is 30383237. The reversal of 30383212 is 21238303.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

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, 5539 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (4439988).

Almost surely, 2^30383212 is an apocalyptic number.

It is an amenable number.

30383212 is a deficient number, since it is larger than the sum of its proper divisors (22896644).

30383212 is a wasteful number, since it uses less digits than its factorization.

30383212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15608 (or 15606 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30383212 is about 5512.0968786842. The cubic root of 30383212 is about 312.0406888639.

The spelling of 30383212 in words is "thirty million, three hundred eighty-three thousand, two hundred twelve".