12771703718 has 16 divisors (see below), whose sum is σ = 20064278016. Its totient is φ = 6085660680.

The previous prime is 12771703709. The next prime is 12771703723. The reversal of 12771703718 is 81730717721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499796 + ... + 524727.

It is an arithmetic number, because the mean of its divisors is an integer number (1254017376).

Almost surely, 2^12771703718 is an apocalyptic number.

12771703718 is a deficient number, since it is larger than the sum of its proper divisors (7292574298).

12771703718 is a wasteful number, since it uses less digits than its factorization.

12771703718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024819.

The product of its (nonzero) digits is 115248, while the sum is 44.

The spelling of 12771703718 in words is "twelve billion, seven hundred seventy-one million, seven hundred three thousand, seven hundred eighteen".