12200303231 has 4 divisors (see below), whose sum is σ = 12400308264. Its totient is φ = 12000298200.

The previous prime is 12200303209. The next prime is 12200303233. The reversal of 12200303231 is 13230300221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13230300221 = 29 ⋅456217249.

It is not a de Polignac number, because 12200303231 - 2¹⁰ = 12200302207 is a prime.

It is a super-2 number, since 2×12200303231² (a number of 21 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 (12200303233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100002425 + ... + 100002546.

It is an arithmetic number, because the mean of its divisors is an integer number (3100077066).

Almost surely, 2^12200303231 is an apocalyptic number.

12200303231 is a deficient number, since it is larger than the sum of its proper divisors (200005033).

12200303231 is an equidigital number, since it uses as much as digits as its factorization.

12200303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200005032.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12200303231 its reverse (13230300221), we get a palindrome (25430603452).

The spelling of 12200303231 in words is "twelve billion, two hundred million, three hundred three thousand, two hundred thirty-one".