123044212 has 12 divisors (see below), whose sum is σ = 217418656. Its totient is φ = 60924600.

The previous prime is 123044183. The next prime is 123044279. The reversal of 123044212 is 212440321.

It is a self number, because there is not a number n which added to its sum of digits gives 123044212.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 148914 + ... + 149737.

Almost surely, 2^123044212 is an apocalyptic number.

It is an amenable number.

123044212 is a deficient number, since it is larger than the sum of its proper divisors (94374444).

123044212 is a wasteful number, since it uses less digits than its factorization.

123044212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298758 (or 298756 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 123044212 is about 11092.5295582207. The cubic root of 123044212 is about 497.3785628200.

Adding to 123044212 its reverse (212440321), we get a palindrome (335484533).

It can be divided in two parts, 123044 and 212, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 123044212 in words is "one hundred twenty-three million, forty-four thousand, two hundred twelve".