12021232203 has 12 divisors (see below), whose sum is σ = 17365002928. Its totient is φ = 8013692880.

The previous prime is 12021232183. The next prime is 12021232211. The reversal of 12021232203 is 30223212021.

It is not a de Polignac number, because 12021232203 - 2¹³ = 12021224011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021232273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212373 + ... + 262953.

Almost surely, 2^12021232203 is an apocalyptic number.

12021232203 is a deficient number, since it is larger than the sum of its proper divisors (5343770725).

12021232203 is a wasteful number, since it uses less digits than its factorization.

12021232203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76994 (or 76991 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12021232203 its reverse (30223212021), we get a palindrome (42244444224).

The spelling of 12021232203 in words is "twelve billion, twenty-one million, two hundred thirty-two thousand, two hundred three".