123212204 has 12 divisors (see below), whose sum is σ = 215706624. Its totient is φ = 61581744.

The previous prime is 123212161. The next prime is 123212233. The reversal of 123212204 is 402212321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10034 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (17975552).

Almost surely, 2^123212204 is an apocalyptic number.

It is an amenable number.

123212204 is a deficient number, since it is larger than the sum of its proper divisors (92494420).

123212204 is a wasteful number, since it uses less digits than its factorization.

123212204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184 (or 12182 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 123212204 is about 11100.0992788353. The cubic root of 123212204 is about 497.6048165134.

Adding to 123212204 its reverse (402212321), we get a palindrome (525424525).

The spelling of 123212204 in words is "one hundred twenty-three million, two hundred twelve thousand, two hundred four".