12822172568 has 8 divisors (see below), whose sum is σ = 24041573580. Its totient is φ = 6411086280.

The previous prime is 12822172547. The next prime is 12822172577. The reversal of 12822172568 is 86527122821.

12822172568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801385778 + ... + 801385793.

Almost surely, 2^12822172568 is an apocalyptic number.

It is an amenable number.

12822172568 is a deficient number, since it is larger than the sum of its proper divisors (11219401012).

12822172568 is a wasteful number, since it uses less digits than its factorization.

12822172568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602771577 (or 1602771573 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The spelling of 12822172568 in words is "twelve billion, eight hundred twenty-two million, one hundred seventy-two thousand, five hundred sixty-eight".