12278381884 has 12 divisors (see below), whose sum is σ = 21605883208. Its totient is φ = 6105272400.

The previous prime is 12278381879. The next prime is 12278381933. The reversal of 12278381884 is 48818387221.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8478822 + ... + 8480269.

Almost surely, 2^12278381884 is an apocalyptic number.

It is an amenable number.

12278381884 is a deficient number, since it is larger than the sum of its proper divisors (9327501324).

12278381884 is a wasteful number, since it uses less digits than its factorization.

12278381884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16959276 (or 16959274 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 52.

The spelling of 12278381884 in words is "twelve billion, two hundred seventy-eight million, three hundred eighty-one thousand, eight hundred eighty-four".