12173030850 has 48 divisors (see below), whose sum is σ = 30202477632. Its totient is φ = 3244704960.

The previous prime is 12173030839. The next prime is 12173030867. The reversal of 12173030850 is 5803037121.

12173030850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 346704 + ... + 380196.

It is an arithmetic number, because the mean of its divisors is an integer number (629218284).

Almost surely, 2^12173030850 is an apocalyptic number.

12173030850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12173030850 is an abundant number, since it is smaller than the sum of its proper divisors (18029446782).

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

12173030850 is a wasteful number, since it uses less digits than its factorization.

12173030850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35931 (or 35926 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 12173030850 its reverse (5803037121), we get a palindrome (17976067971).

The spelling of 12173030850 in words is "twelve billion, one hundred seventy-three million, thirty thousand, eight hundred fifty".