12692803278 has 16 divisors (see below), whose sum is σ = 25387376256. Its totient is φ = 4230639480.

The previous prime is 12692803243. The next prime is 12692803289. The reversal of 12692803278 is 87230829621.

12692803278 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12692803278² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 30933 + ... + 162303.

It is an arithmetic number, because the mean of its divisors is an integer number (1586711016).

Almost surely, 2^12692803278 is an apocalyptic number.

12692803278 is an abundant number, since it is smaller than the sum of its proper divisors (12694572978).

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

12692803278 is a wasteful number, since it uses less digits than its factorization.

12692803278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147479.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 12692803278 in words is "twelve billion, six hundred ninety-two million, eight hundred three thousand, two hundred seventy-eight".