12785405116 has 12 divisors (see below), whose sum is σ = 24408500760. Its totient is φ = 5811547760.

The previous prime is 12785405111. The next prime is 12785405147. The reversal of 12785405116 is 61150458721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12785405111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145288651 + ... + 145288738.

It is an arithmetic number, because the mean of its divisors is an integer number (2034041730).

Almost surely, 2^12785405116 is an apocalyptic number.

It is an amenable number.

12785405116 is a deficient number, since it is larger than the sum of its proper divisors (11623095644).

12785405116 is a wasteful number, since it uses less digits than its factorization.

12785405116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290577404 (or 290577402 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 12785405116 in words is "twelve billion, seven hundred eighty-five million, four hundred five thousand, one hundred sixteen".