12211001203 has 4 divisors (see below), whose sum is σ = 12632070240. Its totient is φ = 11789932168.

The previous prime is 12211001191. The next prime is 12211001221. The reversal of 12211001203 is 30210011221.

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 12211001203 - 2²¹ = 12208904051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211001233) 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, 210534475 + ... + 210534532.

It is an arithmetic number, because the mean of its divisors is an integer number (3158017560).

Almost surely, 2^12211001203 is an apocalyptic number.

12211001203 is a deficient number, since it is larger than the sum of its proper divisors (421069037).

12211001203 is an equidigital number, since it uses as much as digits as its factorization.

12211001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421069036.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12211001203 its reverse (30210011221), we get a palindrome (42421012424).

The spelling of 12211001203 in words is "twelve billion, two hundred eleven million, one thousand, two hundred three".