12221230202 has 16 divisors (see below), whose sum is σ = 18530409480. Its totient is φ = 6044611392.

The previous prime is 12221230187. The next prime is 12221230211. The reversal of 12221230202 is 20203212221.

12221230202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6522339121 + 5698891081 = 80761^2 + 75491^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87908 + ... + 179360.

Almost surely, 2^12221230202 is an apocalyptic number.

12221230202 is a deficient number, since it is larger than the sum of its proper divisors (6309179278).

12221230202 is a wasteful number, since it uses less digits than its factorization.

12221230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92177.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12221230202 its reverse (20203212221), we get a palindrome (32424442423).

The spelling of 12221230202 in words is "twelve billion, two hundred twenty-one million, two hundred thirty thousand, two hundred two".