12235843194 has 32 divisors (see below), whose sum is σ = 26115250176. Its totient is φ = 3808465920.

The previous prime is 12235843181. The next prime is 12235843237. The reversal of 12235843194 is 49134853221.

It is a happy number.

It is a super-2 number, since 2×12235843194² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459327 + ... + 485234.

It is an arithmetic number, because the mean of its divisors is an integer number (816101568).

Almost surely, 2^12235843194 is an apocalyptic number.

12235843194 is an abundant number, since it is smaller than the sum of its proper divisors (13879406982).

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

12235843194 is a wasteful number, since it uses less digits than its factorization.

12235843194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944710.

The product of its digits is 207360, while the sum is 42.

The spelling of 12235843194 in words is "twelve billion, two hundred thirty-five million, eight hundred forty-three thousand, one hundred ninety-four".