12805847427369 has 8 divisors (see below), whose sum is σ = 17816831203392. Its totient is φ = 8166047634800.

The previous prime is 12805847427343. The next prime is 12805847427389. The reversal of 12805847427369 is 96372474850821.

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 12805847427369 - 2⁵ = 12805847427337 is a prime.

It is a super-2 number, since 2×12805847427369² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12805847427389) 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, 92795995782 + ... + 92795995919.

It is an arithmetic number, because the mean of its divisors is an integer number (2227103900424).

It is a 1-persistent number, because it is pandigital, but 2⋅12805847427369 = 25611694854738 is not.

Almost surely, 2^{12805847427369} is an apocalyptic number.

It is an amenable number.

12805847427369 is a deficient number, since it is larger than the sum of its proper divisors (5010983776023).

12805847427369 is a wasteful number, since it uses less digits than its factorization.

12805847427369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185591991727.

The product of its (nonzero) digits is 162570240, while the sum is 66.

The spelling of 12805847427369 in words is "twelve trillion, eight hundred five billion, eight hundred forty-seven million, four hundred twenty-seven thousand, three hundred sixty-nine".