12211022203 has 4 divisors (see below), whose sum is σ = 12217283008. Its totient is φ = 12204761400.

The previous prime is 12211022183. The next prime is 12211022237. The reversal of 12211022203 is 30222011221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30222011221 = 107 ⋅282448703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211022203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211022003) 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, 3127476 + ... + 3131377.

It is an arithmetic number, because the mean of its divisors is an integer number (3054320752).

Almost surely, 2^12211022203 is an apocalyptic number.

12211022203 is a deficient number, since it is larger than the sum of its proper divisors (6260805).

12211022203 is an equidigital number, since it uses as much as digits as its factorization.

12211022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260804.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12211022203 its reverse (30222011221), we get a palindrome (42433033424).

The spelling of 12211022203 in words is "twelve billion, two hundred eleven million, twenty-two thousand, two hundred three".