12681126116 has 12 divisors (see below), whose sum is σ = 22459344432. Its totient is φ = 6264170568.

The previous prime is 12681126103. The next prime is 12681126131. The reversal of 12681126116 is 61162118621.

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, 19097750 + ... + 19098413.

It is an arithmetic number, because the mean of its divisors is an integer number (1871612036).

Almost surely, 2^12681126116 is an apocalyptic number.

It is an amenable number.

12681126116 is a deficient number, since it is larger than the sum of its proper divisors (9778218316).

12681126116 is a wasteful number, since it uses less digits than its factorization.

12681126116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38196250 (or 38196248 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The spelling of 12681126116 in words is "twelve billion, six hundred eighty-one million, one hundred twenty-six thousand, one hundred sixteen".