12030220203 has 4 divisors (see below), whose sum is σ = 16040293608. Its totient is φ = 8020146800.

The previous prime is 12030220199. The next prime is 12030220229. The reversal of 12030220203 is 30202203021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30202203021 = 3 ⋅10067401007.

It is a cyclic number.

It is not a de Polignac number, because 12030220203 - 2² = 12030220199 is a prime.

It is a super-2 number, since 2×12030220203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12030220273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005036698 + ... + 2005036703.

It is an arithmetic number, because the mean of its divisors is an integer number (4010073402).

Almost surely, 2^12030220203 is an apocalyptic number.

12030220203 is a deficient number, since it is larger than the sum of its proper divisors (4010073405).

12030220203 is an equidigital number, since it uses as much as digits as its factorization.

12030220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010073404.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12030220203 its reverse (30202203021), we get a palindrome (42232423224).

The spelling of 12030220203 in words is "twelve billion, thirty million, two hundred twenty thousand, two hundred three".