123112204 has 6 divisors (see below), whose sum is σ = 215446364. Its totient is φ = 61556100.

The previous prime is 123112201. The next prime is 123112211. The reversal of 123112204 is 402211321.

It is a super-2 number, since 2×123112204² = 30313229547475232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15389022 + ... + 15389029.

Almost surely, 2^123112204 is an apocalyptic number.

It is an amenable number.

123112204 is a deficient number, since it is larger than the sum of its proper divisors (92334160).

123112204 is a wasteful number, since it uses less digits than its factorization.

123112204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30778055 (or 30778053 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 123112204 is about 11095.5939002831. The cubic root of 123112204 is about 497.4701600748.

Adding to 123112204 its reverse (402211321), we get a palindrome (525323525).

The spelling of 123112204 in words is "one hundred twenty-three million, one hundred twelve thousand, two hundred four".