12174927128 has 128 divisors (see below), whose sum is σ = 30040657920. Its totient is φ = 4488652800.

The previous prime is 12174927119. The next prime is 12174927131. The reversal of 12174927128 is 82172947121.

12174927128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12174927128² (a number of 21 digits) contains 22 as substring.

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 in 31 ways as a sum of consecutive naturals, for example, 1269953 + ... + 1279503.

It is an arithmetic number, because the mean of its divisors is an integer number (234692640).

Almost surely, 2^12174927128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12174927128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15020328960).

12174927128 is an abundant number, since it is smaller than the sum of its proper divisors (17865730792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12174927128 is a wasteful number, since it uses less digits than its factorization.

12174927128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697 (or 9693 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

It can be divided in two parts, 121749 and 27128, that added together give a cube (148877 = 53³).

The spelling of 12174927128 in words is "twelve billion, one hundred seventy-four million, nine hundred twenty-seven thousand, one hundred twenty-eight".