12044271878 has 16 divisors (see below), whose sum is σ = 18493417536. Its totient is φ = 5879903400.

The previous prime is 12044271803. The next prime is 12044271881. The reversal of 12044271878 is 87817244021.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220625 + ... + 269747.

It is an arithmetic number, because the mean of its divisors is an integer number (1155838596).

Almost surely, 2^12044271878 is an apocalyptic number.

12044271878 is a deficient number, since it is larger than the sum of its proper divisors (6449145658).

12044271878 is a wasteful number, since it uses less digits than its factorization.

12044271878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52019.

The product of its (nonzero) digits is 200704, while the sum is 44.

The spelling of 12044271878 in words is "twelve billion, forty-four million, two hundred seventy-one thousand, eight hundred seventy-eight".