12203221333021 has 4 divisors (see below), whose sum is σ = 12203713244700. Its totient is φ = 12202729421344.

The previous prime is 12203221333003. The next prime is 12203221333081. The reversal of 12203221333021 is 12033312230221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4792657937796 + 7410563395225 = 2189214^2 + 2722235^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203221333021 - 2¹⁵ = 12203221300253 is a prime.

It is a super-2 number, since 2×12203221333021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203221333001) 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 3 ways as a sum of consecutive naturals, for example, 245918626 + ... + 245968243.

It is an arithmetic number, because the mean of its divisors is an integer number (3050928311175).

Almost surely, 2^{12203221333021} is an apocalyptic number.

It is an amenable number.

12203221333021 is a deficient number, since it is larger than the sum of its proper divisors (491911679).

12203221333021 is an equidigital number, since it uses as much as digits as its factorization.

12203221333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491911678.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12203221333021 its reverse (12033312230221), we get a palindrome (24236533563242).

The spelling of 12203221333021 in words is "twelve trillion, two hundred three billion, two hundred twenty-one million, three hundred thirty-three thousand, twenty-one".