12210202303203 has 4 divisors (see below), whose sum is σ = 16280269737608. Its totient is φ = 8140134868800.

The previous prime is 12210202303133. The next prime is 12210202303213. The reversal of 12210202303203 is 30230320201221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12210202303203 - 2¹⁷ = 12210202172131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210202303203.

It is not an unprimeable number, because it can be changed into a prime (12210202303213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035033717198 + ... + 2035033717203.

It is an arithmetic number, because the mean of its divisors is an integer number (4070067434402).

Almost surely, 2^{12210202303203} is an apocalyptic number.

12210202303203 is a deficient number, since it is larger than the sum of its proper divisors (4070067434405).

12210202303203 is an equidigital number, since it uses as much as digits as its factorization.

12210202303203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070067434404.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12210202303203 its reverse (30230320201221), we get a palindrome (42440522504424).

The spelling of 12210202303203 in words is "twelve trillion, two hundred ten billion, two hundred two million, three hundred three thousand, two hundred three".