12728224167 has 16 divisors (see below), whose sum is σ = 17263466880. Its totient is φ = 8339313312.

The previous prime is 12728224151. The next prime is 12728224199. The reversal of 12728224167 is 76142282721.

It is not a de Polignac number, because 12728224167 - 2⁴ = 12728224151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12728224867) 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 15 ways as a sum of consecutive naturals, for example, 805848 + ... + 821490.

It is an arithmetic number, because the mean of its divisors is an integer number (1078966680).

Almost surely, 2^12728224167 is an apocalyptic number.

12728224167 is a deficient number, since it is larger than the sum of its proper divisors (4535242713).

12728224167 is a wasteful number, since it uses less digits than its factorization.

12728224167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20302.

The product of its digits is 150528, while the sum is 42.

The spelling of 12728224167 in words is "twelve billion, seven hundred twenty-eight million, two hundred twenty-four thousand, one hundred sixty-seven".