12203221331 has 32 divisors (see below), whose sum is σ = 14672486400. Its totient is φ = 9930263040.

The previous prime is 12203221313. The next prime is 12203221357. The reversal of 12203221331 is 13312230221.

It is a cyclic number.

It is not a de Polignac number, because 12203221331 - 2¹⁴ = 12203204947 is a prime.

It is a super-2 number, since 2×12203221331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203221531) 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 31 ways as a sum of consecutive naturals, for example, 2433755 + ... + 2438763.

It is an arithmetic number, because the mean of its divisors is an integer number (458515200).

Almost surely, 2^12203221331 is an apocalyptic number.

12203221331 is a deficient number, since it is larger than the sum of its proper divisors (2469265069).

12203221331 is a wasteful number, since it uses less digits than its factorization.

12203221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12203221331 its reverse (13312230221), we get a palindrome (25515451552).

The spelling of 12203221331 in words is "twelve billion, two hundred three million, two hundred twenty-one thousand, three hundred thirty-one".