30012130 has 8 divisors (see below), whose sum is σ = 54021852. Its totient is φ = 12004848.

The previous prime is 30012107. The next prime is 30012139. The reversal of 30012130 is 3121003.

It can be written as a sum of positive squares in 2 ways, for example, as 27029601 + 2982529 = 5199^2 + 1727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 3001213 = 30012130 / (3 + 0 + 0 + 1 + 2 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (30012139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500597 + ... + 1500616.

Almost surely, 2^30012130 is an apocalyptic number.

30012130 is a deficient number, since it is larger than the sum of its proper divisors (24009722).

30012130 is a wasteful number, since it uses less digits than its factorization.

30012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001220.

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

The square root of 30012130 is about 5478.3327755805. The cubic root of 30012130 is about 310.7651235416.

Adding to 30012130 its reverse (3121003), we get a palindrome (33133133).

The spelling of 30012130 in words is "thirty million, twelve thousand, one hundred thirty".