30012235 has 24 divisors (see below), whose sum is σ = 40027680. Its totient is φ = 21584640.

The previous prime is 30012223. The next prime is 30012239. The reversal of 30012235 is 53221003.

It is not a de Polignac number, because 30012235 - 2⁷ = 30012107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30012239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68146 + ... + 68584.

It is an arithmetic number, because the mean of its divisors is an integer number (1667820).

Almost surely, 2^30012235 is an apocalyptic number.

30012235 is a deficient number, since it is larger than the sum of its proper divisors (10015445).

30012235 is a wasteful number, since it uses less digits than its factorization.

30012235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30012235 is about 5478.3423587797. The cubic root of 30012235 is about 310.7654859539.

Adding to 30012235 its reverse (53221003), we get a palindrome (83233238).

The spelling of 30012235 in words is "thirty million, twelve thousand, two hundred thirty-five".