30345612 has 48 divisors (see below), whose sum is σ = 81793152. Its totient is φ = 8654080.

The previous prime is 30345607. The next prime is 30345643. The reversal of 30345612 is 21654303.

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 15 ways as a sum of consecutive naturals, for example, 4518 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (1704024).

Almost surely, 2^30345612 is an apocalyptic number.

It is an amenable number.

30345612 is an abundant number, since it is smaller than the sum of its proper divisors (51447540).

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

30345612 is a wasteful number, since it uses less digits than its factorization.

30345612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13558 (or 13556 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30345612 is about 5508.6851425726. The cubic root of 30345612 is about 311.9119162917.

Adding to 30345612 its reverse (21654303), we get a palindrome (51999915).

It can be divided in two parts, 3034 and 5612, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 30345612 in words is "thirty million, three hundred forty-five thousand, six hundred twelve".