12210311222203 has 4 divisors (see below), whose sum is σ = 12210319487808. Its totient is φ = 12210302956600.

The previous prime is 12210311222183. The next prime is 12210311222209. The reversal of 12210311222203 is 30222211301221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210311222203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210311222209) 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, 1243723 + ... + 5095828.

It is an arithmetic number, because the mean of its divisors is an integer number (3052579871952).

Almost surely, 2^{12210311222203} is an apocalyptic number.

12210311222203 is a deficient number, since it is larger than the sum of its proper divisors (8265605).

12210311222203 is an equidigital number, since it uses as much as digits as its factorization.

12210311222203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265604.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12210311222203 its reverse (30222211301221), we get a palindrome (42432522523424).

The spelling of 12210311222203 in words is "twelve trillion, two hundred ten billion, three hundred eleven million, two hundred twenty-two thousand, two hundred three".