123122012 has 12 divisors (see below), whose sum is σ = 232037736. Its totient is φ = 56825520.

The previous prime is 123122009. The next prime is 123122017. The reversal of 123122012 is 210221321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183814 + ... + 1183917.

It is an arithmetic number, because the mean of its divisors is an integer number (19336478).

Almost surely, 2^123122012 is an apocalyptic number.

It is an amenable number.

123122012 is a deficient number, since it is larger than the sum of its proper divisors (108915724).

123122012 is a wasteful number, since it uses less digits than its factorization.

123122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367748 (or 2367746 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 123122012 is about 11096.0358687236. The cubic root of 123122012 is about 497.4833704028.

Adding to 123122012 its reverse (210221321), we get a palindrome (333343333).

The spelling of 123122012 in words is "one hundred twenty-three million, one hundred twenty-two thousand, twelve".