12771043684 has 12 divisors (see below), whose sum is σ = 25542087424. Its totient is φ = 5473304424.

The previous prime is 12771043573. The next prime is 12771043709. The reversal of 12771043684 is 48634017721.

12771043684 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12771043684.

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, 228054324 + ... + 228054379.

Almost surely, 2^12771043684 is an apocalyptic number.

12771043684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12771043684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12771043684 is a wasteful number, since it uses less digits than its factorization.

12771043684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456108714 (or 456108712 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 12771043684 in words is "twelve billion, seven hundred seventy-one million, forty-three thousand, six hundred eighty-four".