12102313211 has 4 divisors (see below), whose sum is σ = 12397491624. Its totient is φ = 11807134800.

The previous prime is 12102313199. The next prime is 12102313219. The reversal of 12102313211 is 11231320121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11231320121 = 7 ⋅1604474303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102313211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102313211.

It is not an unprimeable number, because it can be changed into a prime (12102313219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147589145 + ... + 147589226.

It is an arithmetic number, because the mean of its divisors is an integer number (3099372906).

Almost surely, 2^12102313211 is an apocalyptic number.

12102313211 is a deficient number, since it is larger than the sum of its proper divisors (295178413).

12102313211 is an equidigital number, since it uses as much as digits as its factorization.

12102313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295178412.

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

Adding to 12102313211 its reverse (11231320121), we get a palindrome (23333633332).

The spelling of 12102313211 in words is "twelve billion, one hundred two million, three hundred thirteen thousand, two hundred eleven".