12786105772 has 12 divisors (see below), whose sum is σ = 24409838376. Its totient is φ = 5811866240.

The previous prime is 12786105721. The next prime is 12786105781. The reversal of 12786105772 is 27750168721.

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, 145296613 + ... + 145296700.

It is an arithmetic number, because the mean of its divisors is an integer number (2034153198).

Almost surely, 2^12786105772 is an apocalyptic number.

It is an amenable number.

12786105772 is a deficient number, since it is larger than the sum of its proper divisors (11623732604).

12786105772 is a wasteful number, since it uses less digits than its factorization.

12786105772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290593328 (or 290593326 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 46.

The spelling of 12786105772 in words is "twelve billion, seven hundred eighty-six million, one hundred five thousand, seven hundred seventy-two".