12123204 has 24 divisors (see below), whose sum is σ = 28404768. Its totient is φ = 4024320.

The previous prime is 12123187. The next prime is 12123211. The reversal of 12123204 is 40232121.

12123204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 5049.

It is an arithmetic number, because the mean of its divisors is an integer number (1183532).

Almost surely, 2^12123204 is an apocalyptic number.

It is an amenable number.

12123204 is an abundant number, since it is smaller than the sum of its proper divisors (16281564).

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

12123204 is a wasteful number, since it uses less digits than its factorization.

12123204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195 (or 4193 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12123204 is about 3481.8391691748. The cubic root of 12123204 is about 229.7237009811.

Adding to 12123204 its reverse (40232121), we get a palindrome (52355325).

The spelling of 12123204 in words is "twelve million, one hundred twenty-three thousand, two hundred four".