12163179850 has 12 divisors (see below), whose sum is σ = 22623514614. Its totient is φ = 4865271920.

The previous prime is 12163179829. The next prime is 12163179857. The reversal of 12163179850 is 5897136121.

It can be written as a sum of positive squares in 3 ways, for example, as 7761786201 + 4401393649 = 88101^2 + 66343^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12163179797 and 12163179806.

It is not an unprimeable number, because it can be changed into a prime (12163179857) 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 5 ways as a sum of consecutive naturals, for example, 121631749 + ... + 121631848.

Almost surely, 2^12163179850 is an apocalyptic number.

12163179850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12163179850 is a deficient number, since it is larger than the sum of its proper divisors (10460334764).

12163179850 is a wasteful number, since it uses less digits than its factorization.

12163179850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243263609 (or 243263604 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 12163179850 in words is "twelve billion, one hundred sixty-three million, one hundred seventy-nine thousand, eight hundred fifty".