12221203132 has 6 divisors (see below), whose sum is σ = 21387105488. Its totient is φ = 6110601564.

The previous prime is 12221203097. The next prime is 12221203177. The reversal of 12221203132 is 23130212221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527650388 + ... + 1527650395.

Almost surely, 2^12221203132 is an apocalyptic number.

It is an amenable number.

12221203132 is a deficient number, since it is larger than the sum of its proper divisors (9165902356).

12221203132 is a wasteful number, since it uses less digits than its factorization.

12221203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055300787 (or 3055300785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12221203132 its reverse (23130212221), we get a palindrome (35351415353).

The spelling of 12221203132 in words is "twelve billion, two hundred twenty-one million, two hundred three thousand, one hundred thirty-two".