12128176384 has 27 divisors (see below), whose sum is σ = 24212494803. Its totient is φ = 6063207168.

The previous prime is 12128176373. The next prime is 12128176409. The reversal of 12128176384 is 48367182121.

The square root of 12128176384 is 110128.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12128176384.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1758607 + ... + 1765489.

Almost surely, 2^12128176384 is an apocalyptic number.

12128176384 is the 110128-th square number.

It is an amenable number.

12128176384 is a deficient number, since it is larger than the sum of its proper divisors (12084318419).

12128176384 is an frugal number, since it uses more digits than its factorization.

12128176384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782 (or 6885 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The spelling of 12128176384 in words is "twelve billion, one hundred twenty-eight million, one hundred seventy-six thousand, three hundred eighty-four".