30001221203 has 4 divisors (see below), whose sum is σ = 30004421208. Its totient is φ = 29998021200.

The previous prime is 30001221167. The next prime is 30001221233. The reversal of 30001221203 is 30212210003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30001221203 - 2⁸ = 30001220947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30001221233) 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, 1585898 + ... + 1604703.

It is an arithmetic number, because the mean of its divisors is an integer number (7501105302).

Almost surely, 2^30001221203 is an apocalyptic number.

30001221203 is a deficient number, since it is larger than the sum of its proper divisors (3200005).

30001221203 is an equidigital number, since it uses as much as digits as its factorization.

30001221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200004.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30001221203 its reverse (30212210003), we get a palindrome (60213431206).

The spelling of 30001221203 in words is "thirty billion, one million, two hundred twenty-one thousand, two hundred three".