12278364696 has 64 divisors (see below), whose sum is σ = 36730159200. Its totient is φ = 3777957504.

The previous prime is 12278364691. The next prime is 12278364697. The reversal of 12278364696 is 69646387221.

12278364696 is a `hidden beast` number, since 1 + 2 + 278 + 364 + 6 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12278364691) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2183511 + ... + 2189126.

Almost surely, 2^12278364696 is an apocalyptic number.

It is an amenable number.

12278364696 is an abundant number, since it is smaller than the sum of its proper divisors (24451794504).

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

12278364696 is a wasteful number, since it uses less digits than its factorization.

12278364696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372665 (or 4372655 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 12278364696 in words is "twelve billion, two hundred seventy-eight million, three hundred sixty-four thousand, six hundred ninety-six".