12318913211 has 8 divisors (see below), whose sum is σ = 13444558848. Its totient is φ = 11194225000.

The previous prime is 12318913199. The next prime is 12318913213. The reversal of 12318913211 is 11231981321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12318913211 - 2⁶ = 12318913147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12318913213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212315 + ... + 264036.

It is an arithmetic number, because the mean of its divisors is an integer number (1680569856).

Almost surely, 2^12318913211 is an apocalyptic number.

12318913211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12318913211 is a deficient number, since it is larger than the sum of its proper divisors (1125645637).

12318913211 is a wasteful number, since it uses less digits than its factorization.

12318913211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478713.

The product of its digits is 2592, while the sum is 32.

It can be divided in two parts, 12318 and 913211, that added together give a palindrome (925529).

The spelling of 12318913211 in words is "twelve billion, three hundred eighteen million, nine hundred thirteen thousand, two hundred eleven".