12317541208 has 48 divisors (see below), whose sum is σ = 27001242000. Its totient is φ = 5252385600.

The previous prime is 12317541191. The next prime is 12317541227. The reversal of 12317541208 is 80214571321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 943 + ... + 156958.

It is an arithmetic number, because the mean of its divisors is an integer number (562525875).

Almost surely, 2^12317541208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12317541208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13500621000).

12317541208 is an abundant number, since it is smaller than the sum of its proper divisors (14683700792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12317541208 is a wasteful number, since it uses less digits than its factorization.

12317541208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158120 (or 158109 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 12317541208 in words is "twelve billion, three hundred seventeen million, five hundred forty-one thousand, two hundred eight".