12221223203 has 16 divisors (see below), whose sum is σ = 14084928000. Its totient is φ = 10387224000.

The previous prime is 12221223197. The next prime is 12221223227. The reversal of 12221223203 is 30232212221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12221223203 - 2⁶ = 12221223139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221223293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593423 + ... + 613671.

It is an arithmetic number, because the mean of its divisors is an integer number (880308000).

Almost surely, 2^12221223203 is an apocalyptic number.

12221223203 is a deficient number, since it is larger than the sum of its proper divisors (1863704797).

12221223203 is a wasteful number, since it uses less digits than its factorization.

12221223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20978.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12221223203 its reverse (30232212221), we get a palindrome (42453435424).

The spelling of 12221223203 in words is "twelve billion, two hundred twenty-one million, two hundred twenty-three thousand, two hundred three".