12200431313 has 4 divisors (see below), whose sum is σ = 13943350080. Its totient is φ = 10457512548.

The previous prime is 12200431277. The next prime is 12200431337. The reversal of 12200431313 is 31313400221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12200431313 - 2¹⁸ = 12200169169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12200431343) 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, 871459373 + ... + 871459386.

It is an arithmetic number, because the mean of its divisors is an integer number (3485837520).

Almost surely, 2^12200431313 is an apocalyptic number.

It is an amenable number.

12200431313 is a deficient number, since it is larger than the sum of its proper divisors (1742918767).

12200431313 is an equidigital number, since it uses as much as digits as its factorization.

12200431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742918766.

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

Adding to 12200431313 its reverse (31313400221), we get a palindrome (43513831534).

The spelling of 12200431313 in words is "twelve billion, two hundred million, four hundred thirty-one thousand, three hundred thirteen".