30120213 has 8 divisors (see below), whose sum is σ = 40186048. Its totient is φ = 20067264.

The previous prime is 30120203. The next prime is 30120217. The reversal of 30120213 is 31202103.

It is a happy number.

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

It is not a de Polignac number, because 30120213 - 2⁴ = 30120197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6045 + ... + 9837.

It is an arithmetic number, because the mean of its divisors is an integer number (5023256).

Almost surely, 2^30120213 is an apocalyptic number.

It is an amenable number.

30120213 is a deficient number, since it is larger than the sum of its proper divisors (10065835).

30120213 is a wasteful number, since it uses less digits than its factorization.

30120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30120213 is about 5488.1884989494. The cubic root of 30120213 is about 311.1377305124.

Adding to 30120213 its reverse (31202103), we get a palindrome (61322316).

The spelling of 30120213 in words is "thirty million, one hundred twenty thousand, two hundred thirteen".