30030021012203 has 16 divisors (see below), whose sum is σ = 31678581085536. Its totient is φ = 28429331477760.

The previous prime is 30030021012191. The next prime is 30030021012209. The reversal of 30030021012203 is 30221012003003.

It is a cyclic number.

It is not a de Polignac number, because 30030021012203 - 2²⁰ = 30030019963627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30030021012209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25969901 + ... + 27101582.

It is an arithmetic number, because the mean of its divisors is an integer number (1979911317846).

Almost surely, 2^{30030021012203} is an apocalyptic number.

30030021012203 is a deficient number, since it is larger than the sum of its proper divisors (1648560073333).

30030021012203 is a wasteful number, since it uses less digits than its factorization.

30030021012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53071934.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30030021012203 its reverse (30221012003003), we get a palindrome (60251033015206).

The spelling of 30030021012203 in words is "thirty trillion, thirty billion, twenty-one million, twelve thousand, two hundred three".