3189326194812 has 12 divisors (see below), whose sum is σ = 7441761121256. Its totient is φ = 1063108731600.

The previous prime is 3189326194793. The next prime is 3189326194819. The reversal of 3189326194812 is 2184916239813.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189326194819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132888591439 + ... + 132888591462.

Almost surely, 2^{3189326194812} is an apocalyptic number.

It is an amenable number.

3189326194812 is an abundant number, since it is smaller than the sum of its proper divisors (4252434926444).

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

3189326194812 is a wasteful number, since it uses less digits than its factorization.

3189326194812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265777182908 (or 265777182906 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 57.

The spelling of 3189326194812 in words is "three trillion, one hundred eighty-nine billion, three hundred twenty-six million, one hundred ninety-four thousand, eight hundred twelve".