1197318818432 has 128 divisors (see below), whose sum is σ = 2709936000000. Its totient is φ = 521939783680.

The previous prime is 1197318818401. The next prime is 1197318818453. The reversal of 1197318818432 is 2348188137911.

It is a tau number, because it is divible by the number of its divisors (128).

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, 5985569 + ... + 6182367.

It is an arithmetic number, because the mean of its divisors is an integer number (21171375000).

Almost surely, 2^{1197318818432} 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 1197318818432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354968000000).

1197318818432 is an abundant number, since it is smaller than the sum of its proper divisors (1512617181568).

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

1197318818432 is a wasteful number, since it uses less digits than its factorization.

1197318818432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197002 (or 196990 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 56.

The spelling of 1197318818432 in words is "one trillion, one hundred ninety-seven billion, three hundred eighteen million, eight hundred eighteen thousand, four hundred thirty-two".