30023212 has 12 divisors (see below), whose sum is σ = 53431560. Its totient is φ = 14757056.

The previous prime is 30023209. The next prime is 30023219. The reversal of 30023212 is 21232003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30023192 and 30023201.

It is not an unprimeable number, because it can be changed into a prime (30023219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63373 + ... + 63844.

It is an arithmetic number, because the mean of its divisors is an integer number (4452630).

Almost surely, 2^30023212 is an apocalyptic number.

It is an amenable number.

30023212 is a deficient number, since it is larger than the sum of its proper divisors (23408348).

30023212 is a wasteful number, since it uses less digits than its factorization.

30023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127280 (or 127278 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30023212 is about 5479.3441213342. The cubic root of 30023212 is about 310.8033689143.

Adding to 30023212 its reverse (21232003), we get a palindrome (51255215).

The spelling of 30023212 in words is "thirty million, twenty-three thousand, two hundred twelve".