30512012 has 12 divisors (see below), whose sum is σ = 54072480. Its totient is φ = 15062736.

The previous prime is 30512003. The next prime is 30512021. The reversal of 30512012 is 21021503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30512003) and next prime (30512021).

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, 47963 + ... + 48594.

It is an arithmetic number, because the mean of its divisors is an integer number (4506040).

Almost surely, 2^30512012 is an apocalyptic number.

It is an amenable number.

30512012 is a deficient number, since it is larger than the sum of its proper divisors (23560468).

30512012 is a wasteful number, since it uses less digits than its factorization.

30512012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96640 (or 96638 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 30512012 is about 5523.7679169205. The cubic root of 30512012 is about 312.4809998048.

Adding to 30512012 its reverse (21021503), we get a palindrome (51533515).

The spelling of 30512012 in words is "thirty million, five hundred twelve thousand, twelve".