12163892128 has 12 divisors (see below), whose sum is σ = 23947662690. Its totient is φ = 6081946048.

The previous prime is 12163892123. The next prime is 12163892137. The reversal of 12163892128 is 82129836121.

It can be written as a sum of positive squares in only one way, i.e., 11403676944 + 760215184 = 106788^2 + 27572^2 .

It is not an unprimeable number, because it can be changed into a prime (12163892123) by changing a digit.

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 as a sum of consecutive naturals, namely, 190060783 + ... + 190060846.

Almost surely, 2^12163892128 is an apocalyptic number.

It is an amenable number.

12163892128 is a deficient number, since it is larger than the sum of its proper divisors (11783770562).

12163892128 is an equidigital number, since it uses as much as digits as its factorization.

12163892128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380121639 (or 380121631 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The spelling of 12163892128 in words is "twelve billion, one hundred sixty-three million, eight hundred ninety-two thousand, one hundred twenty-eight".