30121030203 has 8 divisors (see below), whose sum is σ = 43812407616. Its totient is φ = 18255169800.

The previous prime is 30121030129. The next prime is 30121030213. The reversal of 30121030203 is 30203012103.

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

It is not a de Polignac number, because 30121030203 - 2¹⁰ = 30121029179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30121030213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456379213 + ... + 456379278.

It is an arithmetic number, because the mean of its divisors is an integer number (5476550952).

Almost surely, 2^30121030203 is an apocalyptic number.

30121030203 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30121030203 is a deficient number, since it is larger than the sum of its proper divisors (13691377413).

30121030203 is a wasteful number, since it uses less digits than its factorization.

30121030203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912758505.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30121030203 its reverse (30203012103), we get a palindrome (60324042306).

The spelling of 30121030203 in words is "thirty billion, one hundred twenty-one million, thirty thousand, two hundred three".