12771636274 has 16 divisors (see below), whose sum is σ = 20715948288. Its totient is φ = 5882304832.

The previous prime is 12771636211. The next prime is 12771636287. The reversal of 12771636274 is 47263617721.

It is a super-2 number, since 2×12771636274² (a number of 21 digits) contains 22 as substring.

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, 3994534 + ... + 3997729.

It is an arithmetic number, because the mean of its divisors is an integer number (1294746768).

Almost surely, 2^12771636274 is an apocalyptic number.

12771636274 is a deficient number, since it is larger than the sum of its proper divisors (7944312014).

12771636274 is a wasteful number, since it uses less digits than its factorization.

12771636274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992329.

The product of its digits is 592704, while the sum is 46.

The spelling of 12771636274 in words is "twelve billion, seven hundred seventy-one million, six hundred thirty-six thousand, two hundred seventy-four".