123013320212 has 48 divisors (see below), whose sum is σ = 224786016000. Its totient is φ = 58831153920.

The previous prime is 123013320191. The next prime is 123013320217. The reversal of 123013320212 is 212023310321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013320217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5367137 + ... + 5390007.

It is an arithmetic number, because the mean of its divisors is an integer number (4683042000).

Almost surely, 2^123013320212 is an apocalyptic number.

It is an amenable number.

123013320212 is a deficient number, since it is larger than the sum of its proper divisors (101772695788).

123013320212 is a wasteful number, since it uses less digits than its factorization.

123013320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336 (or 23334 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123013320212 its reverse (212023310321), we get a palindrome (335036630533).

The spelling of 123013320212 in words is "one hundred twenty-three billion, thirteen million, three hundred twenty thousand, two hundred twelve".