12678791659219 has 8 divisors (see below), whose sum is σ = 14673465935360. Its totient is φ = 10729971964296.

The previous prime is 12678791659189. The next prime is 12678791659231. The reversal of 12678791659219 is 91295619787621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12678791659219 - 2⁷ = 12678791659091 is a prime.

It is a super-2 number, since 2×12678791659219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12678791659019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11463644709 + ... + 11463645814.

It is an arithmetic number, because the mean of its divisors is an integer number (1834183241920).

Almost surely, 2^{12678791659219} is an apocalyptic number.

12678791659219 is a deficient number, since it is larger than the sum of its proper divisors (1994674276141).

12678791659219 is an equidigital number, since it uses as much as digits as its factorization.

12678791659219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22927290609.

The product of its digits is 205752960, while the sum is 73.

The spelling of 12678791659219 in words is "twelve trillion, six hundred seventy-eight billion, seven hundred ninety-one million, six hundred fifty-nine thousand, two hundred nineteen".