12230203194 has 48 divisors (see below), whose sum is σ = 28915290144. Its totient is φ = 3705156000.

The previous prime is 12230203177. The next prime is 12230203201. The reversal of 12230203194 is 49130203221.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1242697 + ... + 1252499.

It is an arithmetic number, because the mean of its divisors is an integer number (602401878).

Almost surely, 2^12230203194 is an apocalyptic number.

12230203194 is an abundant number, since it is smaller than the sum of its proper divisors (16685086950).

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

12230203194 is a wasteful number, since it uses less digits than its factorization.

12230203194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16123 (or 16120 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 12230203194 its sum of digits (27), we get a palindrome (12230203221).

The spelling of 12230203194 in words is "twelve billion, two hundred thirty million, two hundred three thousand, one hundred ninety-four".