123002012 has 12 divisors (see below), whose sum is σ = 246004080. Its totient is φ = 52715136.

The previous prime is 123001997. The next prime is 123002039. The reversal of 123002012 is 210200321.

It is a happy number.

123002012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 123001984 and 123002002.

It is a congruent number.

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, 2196437 + ... + 2196492.

It is an arithmetic number, because the mean of its divisors is an integer number (20500340).

Almost surely, 2^123002012 is an apocalyptic number.

It is an amenable number.

123002012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123002012 is a wasteful number, since it uses less digits than its factorization.

123002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392940 (or 4392938 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 123002012 is about 11090.6272140037. The cubic root of 123002012 is about 497.3216949809.

Adding to 123002012 its reverse (210200321), we get a palindrome (333202333).

The spelling of 123002012 in words is "one hundred twenty-three million, two thousand, twelve".