12789718274732 has 72 divisors (see below), whose sum is σ = 26338209073344. Its totient is φ = 5417993968128.

The previous prime is 12789718274699. The next prime is 12789718274741. The reversal of 12789718274732 is 23747281798721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7341578 + ... + 8915054.

It is an arithmetic number, because the mean of its divisors is an integer number (365808459352).

Almost surely, 2^{12789718274732} 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 12789718274732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13169104536672).

12789718274732 is an abundant number, since it is smaller than the sum of its proper divisors (13548490798612).

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

12789718274732 is a wasteful number, since it uses less digits than its factorization.

12789718274732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573975 (or 1573966 counting only the distinct ones).

The product of its digits is 132765696, while the sum is 68.

The spelling of 12789718274732 in words is "twelve trillion, seven hundred eighty-nine billion, seven hundred eighteen million, two hundred seventy-four thousand, seven hundred thirty-two".