30234512 has 120 divisors (see below), whose sum is σ = 77578368. Its totient is φ = 11151360.

The previous prime is 30234497. The next prime is 30234521. The reversal of 30234512 is 21543203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311648 + ... + 311744.

Almost surely, 2^30234512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30234512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38789184).

30234512 is an abundant number, since it is smaller than the sum of its proper divisors (47343856).

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

30234512 is a wasteful number, since it uses less digits than its factorization.

30234512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30234512 is about 5498.5918197298. The cubic root of 30234512 is about 311.5307981404.

Adding to 30234512 its reverse (21543203), we get a palindrome (51777715).

The spelling of 30234512 in words is "thirty million, two hundred thirty-four thousand, five hundred twelve".