12200320331 has 4 divisors (see below), whose sum is σ = 12215823432. Its totient is φ = 12184817232.

The previous prime is 12200320309. The next prime is 12200320367. The reversal of 12200320331 is 13302300221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200320331 is a prime.

It is a super-2 number, since 2×12200320331² (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 (12200320631) 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, 7750370 + ... + 7751943.

It is an arithmetic number, because the mean of its divisors is an integer number (3053955858).

Almost surely, 2^12200320331 is an apocalyptic number.

12200320331 is a deficient number, since it is larger than the sum of its proper divisors (15503101).

12200320331 is an equidigital number, since it uses as much as digits as its factorization.

12200320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15503100.

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

Adding to 12200320331 its reverse (13302300221), we get a palindrome (25502620552).

The spelling of 12200320331 in words is "twelve billion, two hundred million, three hundred twenty thousand, three hundred thirty-one".