12203002221 has 8 divisors (see below), whose sum is σ = 16275059520. Its totient is φ = 8133139872.

The previous prime is 12203002219. The next prime is 12203002297. The reversal of 12203002221 is 12220030221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12203002221 - 2¹ = 12203002219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12203002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203002921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535720 + ... + 558033.

It is an arithmetic number, because the mean of its divisors is an integer number (2034382440).

Almost surely, 2^12203002221 is an apocalyptic number.

It is an amenable number.

12203002221 is a deficient number, since it is larger than the sum of its proper divisors (4072057299).

12203002221 is a wasteful number, since it uses less digits than its factorization.

12203002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097475.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12203002221 its reverse (12220030221), we get a palindrome (24423032442).

The spelling of 12203002221 in words is "twelve billion, two hundred three million, two thousand, two hundred twenty-one".