12722777208704 has 32 divisors (see below), whose sum is σ = 25346711839800. Its totient is φ = 6361249531392.

The previous prime is 12722777208667. The next prime is 12722777208709. The reversal of 12722777208704 is 40780277722721.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12722777208704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722777208709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4920482 + ... + 7046750.

Almost surely, 2^{12722777208704} is an apocalyptic number.

It is an amenable number.

12722777208704 is a deficient number, since it is larger than the sum of its proper divisors (12623934631096).

12722777208704 is an equidigital number, since it uses as much as digits as its factorization.

12722777208704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173030 (or 2173018 counting only the distinct ones).

The product of its (nonzero) digits is 8605184, while the sum is 56.

The spelling of 12722777208704 in words is "twelve trillion, seven hundred twenty-two billion, seven hundred seventy-seven million, two hundred eight thousand, seven hundred four".