12786036668 has 48 divisors (see below), whose sum is σ = 23900111424. Its totient is φ = 5964241920.

The previous prime is 12786036631. The next prime is 12786036749. The reversal of 12786036668 is 86663068721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5368838 + ... + 5371218.

It is an arithmetic number, because the mean of its divisors is an integer number (497918988).

Almost surely, 2^12786036668 is an apocalyptic number.

It is an amenable number.

12786036668 is a deficient number, since it is larger than the sum of its proper divisors (11114074756).

12786036668 is a wasteful number, since it uses less digits than its factorization.

12786036668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062 (or 3060 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 12786036668 in words is "twelve billion, seven hundred eighty-six million, thirty-six thousand, six hundred sixty-eight".