12768612278 has 16 divisors (see below), whose sum is σ = 19226893104. Its totient is φ = 6359676960.

The previous prime is 12768612271. The next prime is 12768612287. The reversal of 12768612278 is 87221686721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12768612271) 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 7 ways as a sum of consecutive naturals, for example, 1006193 + ... + 1018803.

It is an arithmetic number, because the mean of its divisors is an integer number (1201680819).

Almost surely, 2^12768612278 is an apocalyptic number.

12768612278 is a deficient number, since it is larger than the sum of its proper divisors (6458280826).

12768612278 is a wasteful number, since it uses less digits than its factorization.

12768612278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14527.

The product of its digits is 903168, while the sum is 50.

The spelling of 12768612278 in words is "twelve billion, seven hundred sixty-eight million, six hundred twelve thousand, two hundred seventy-eight".