12371170213 has 4 divisors (see below), whose sum is σ = 12373235680. Its totient is φ = 12369104748.

The previous prime is 12371170157. The next prime is 12371170243. The reversal of 12371170213 is 31207117321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31207117321 = 19 ⋅1642479859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12371170213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12371170243) 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, 1023723 + ... + 1035736.

It is an arithmetic number, because the mean of its divisors is an integer number (3093308920).

Almost surely, 2^12371170213 is an apocalyptic number.

It is an amenable number.

12371170213 is a deficient number, since it is larger than the sum of its proper divisors (2065467).

12371170213 is an equidigital number, since it uses as much as digits as its factorization.

12371170213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065466.

The product of its (nonzero) digits is 1764, while the sum is 28.

Adding to 12371170213 its reverse (31207117321), we get a palindrome (43578287534).

The spelling of 12371170213 in words is "twelve billion, three hundred seventy-one million, one hundred seventy thousand, two hundred thirteen".