123204112 has 10 divisors (see below), whose sum is σ = 238707998. Its totient is φ = 61602048.

The previous prime is 123204101. The next prime is 123204127. The reversal of 123204112 is 211402321.

It can be written as a sum of positive squares in only one way, i.e., 101525776 + 21678336 = 10076^2 + 4656^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 7700257 = 123204112 / (1 + 2 + 3 + 2 + 0 + 4 + 1 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3850113 + ... + 3850144.

Almost surely, 2^123204112 is an apocalyptic number.

It is an amenable number.

123204112 is a deficient number, since it is larger than the sum of its proper divisors (115503886).

123204112 is an equidigital number, since it uses as much as digits as its factorization.

123204112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700265 (or 7700259 counting only the distinct ones).

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

The square root of 123204112 is about 11099.7347716060. The cubic root of 123204112 is about 497.5939228243.

Adding to 123204112 its reverse (211402321), we get a palindrome (334606433).

The spelling of 123204112 in words is "one hundred twenty-three million, two hundred four thousand, one hundred twelve".