12201211313 has 4 divisors (see below), whose sum is σ = 12368351268. Its totient is φ = 12034071360.

The previous prime is 12201211303. The next prime is 12201211333. The reversal of 12201211313 is 31311210221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6553388209 + 5647823104 = 80953^2 + 75152^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201211313 - 2¹² = 12201207217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201211291 and 12201211300.

It is not an unprimeable number, because it can be changed into a prime (12201211303) 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, 83569868 + ... + 83570013.

It is an arithmetic number, because the mean of its divisors is an integer number (3092087817).

Almost surely, 2^12201211313 is an apocalyptic number.

It is an amenable number.

12201211313 is a deficient number, since it is larger than the sum of its proper divisors (167139955).

12201211313 is an equidigital number, since it uses as much as digits as its factorization.

12201211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167139954.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12201211313 its reverse (31311210221), we get a palindrome (43512421534).

The spelling of 12201211313 in words is "twelve billion, two hundred one million, two hundred eleven thousand, three hundred thirteen".