12009071794 has 8 divisors (see below), whose sum is σ = 18018828828. Its totient is φ = 6002795520.

The previous prime is 12009071773. The next prime is 12009071807. The reversal of 12009071794 is 49717090021.

It can be written as a sum of positive squares in 2 ways, for example, as 10632290769 + 1376781025 = 103113^2 + 37105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861547 + ... + 875374.

Almost surely, 2^12009071794 is an apocalyptic number.

12009071794 is a deficient number, since it is larger than the sum of its proper divisors (6009757034).

12009071794 is a wasteful number, since it uses less digits than its factorization.

12009071794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740380.

The product of its (nonzero) digits is 31752, while the sum is 40.

The spelling of 12009071794 in words is "twelve billion, nine million, seventy-one thousand, seven hundred ninety-four".