12599668123768 has 32 divisors (see below), whose sum is σ = 25945015230000. Its totient is φ = 5688684808960.

The previous prime is 12599668123753. The next prime is 12599668123771. The reversal of 12599668123768 is 86732186699521.

It is a self number, because there is not a number n which added to its sum of digits gives 12599668123768.

It is a congruent number.

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, 480450133 + ... + 480476356.

Almost surely, 2^{12599668123768} is an apocalyptic number.

It is an amenable number.

12599668123768 is an abundant number, since it is smaller than the sum of its proper divisors (13345347106232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12599668123768 is a wasteful number, since it uses less digits than its factorization.

12599668123768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960926655 (or 960926651 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 73.

The spelling of 12599668123768 in words is "twelve trillion, five hundred ninety-nine billion, six hundred sixty-eight million, one hundred twenty-three thousand, seven hundred sixty-eight".