30013012 has 6 divisors (see below), whose sum is σ = 52522778. Its totient is φ = 15006504.

The previous prime is 30013003. The next prime is 30013033. The reversal of 30013012 is 21031003.

It can be written as a sum of positive squares in only one way, i.e., 29441476 + 571536 = 5426^2 + 756^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30013012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3751623 + ... + 3751630.

Almost surely, 2^30013012 is an apocalyptic number.

It is an amenable number.

30013012 is a deficient number, since it is larger than the sum of its proper divisors (22509766).

30013012 is a wasteful number, since it uses less digits than its factorization.

30013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503257 (or 7503255 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30013012 is about 5478.4132739325. The cubic root of 30013012 is about 310.7681677791.

Adding to 30013012 its reverse (21031003), we get a palindrome (51044015).

Subtracting from 30013012 its reverse (21031003), we obtain a square (8982009 = 2997²).

The spelling of 30013012 in words is "thirty million, thirteen thousand, twelve".