12201202231 has 2 divisors, whose sum is σ = 12201202232. Its totient is φ = 12201202230.

The previous prime is 12201202213. The next prime is 12201202309. The reversal of 12201202231 is 13220210221.

It is a happy number.

Together with previous prime (12201202213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201202231 - 2¹¹ = 12201200183 is a prime.

It is a super-2 number, since 2×12201202231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201208231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100601115 + 6100601116.

It is an arithmetic number, because the mean of its divisors is an integer number (6100601116).

Almost surely, 2^12201202231 is an apocalyptic number.

12201202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201202231 is an equidigital number, since it uses as much as digits as its factorization.

12201202231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12201202231 its reverse (13220210221), we get a palindrome (25421412452).

The spelling of 12201202231 in words is "twelve billion, two hundred one million, two hundred two thousand, two hundred thirty-one".