12828219173 has 16 divisors (see below), whose sum is σ = 15996870144. Its totient is φ = 9993986160.

The previous prime is 12828219169. The next prime is 12828219211. The reversal of 12828219173 is 37191282821.

It is a cyclic number.

It is not a de Polignac number, because 12828219173 - 2² = 12828219169 is a prime.

It is a super-3 number, since 3×12828219173³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12828219133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447086 + ... + 474912.

It is an arithmetic number, because the mean of its divisors is an integer number (999804384).

Almost surely, 2^12828219173 is an apocalyptic number.

It is an amenable number.

12828219173 is a deficient number, since it is larger than the sum of its proper divisors (3168650971).

12828219173 is a wasteful number, since it uses less digits than its factorization.

12828219173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33832.

The product of its digits is 96768, while the sum is 44.

The spelling of 12828219173 in words is "twelve billion, eight hundred twenty-eight million, two hundred nineteen thousand, one hundred seventy-three".