1318726194112 has 56 divisors (see below), whose sum is σ = 2667637348992. Its totient is φ = 646578816000.

The previous prime is 1318726194101. The next prime is 1318726194133. The reversal of 1318726194112 is 2114916278131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6345937 + ... + 6550447.

It is an arithmetic number, because the mean of its divisors is an integer number (47636381232).

Almost surely, 2^{1318726194112} 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 1318726194112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333818674496).

1318726194112 is an abundant number, since it is smaller than the sum of its proper divisors (1348911154880).

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

1318726194112 is a wasteful number, since it uses less digits than its factorization.

1318726194112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206477 (or 206467 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The spelling of 1318726194112 in words is "one trillion, three hundred eighteen billion, seven hundred twenty-six million, one hundred ninety-four thousand, one hundred twelve".