1317018618112 has 144 divisors (see below), whose sum is σ = 2753310776832. Its totient is φ = 628026900480.

The previous prime is 1317018618107. The next prime is 1317018618133. The reversal of 1317018618112 is 2118168107131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167279008 + ... + 167286880.

It is an arithmetic number, because the mean of its divisors is an integer number (19120213728).

Almost surely, 2^{1317018618112} 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 1317018618112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376655388416).

1317018618112 is an abundant number, since it is smaller than the sum of its proper divisors (1436292158720).

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

1317018618112 is a wasteful number, since it uses less digits than its factorization.

1317018618112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8224 (or 8210 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 40.

The spelling of 1317018618112 in words is "one trillion, three hundred seventeen billion, eighteen million, six hundred eighteen thousand, one hundred twelve".