123322313212 has 24 divisors (see below), whose sum is σ = 246693283200. Its totient is φ = 52841993520.

The previous prime is 123322313203. The next prime is 123322313243. The reversal of 123322313212 is 212313223321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289114 + ... + 574657.

It is an arithmetic number, because the mean of its divisors is an integer number (10278886800).

Almost surely, 2^123322313212 is an apocalyptic number.

It is an amenable number.

123322313212 is an abundant number, since it is smaller than the sum of its proper divisors (123370969988).

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

123322313212 is a wasteful number, since it uses less digits than its factorization.

123322313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868881 (or 868879 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 123322313212 its reverse (212313223321), we get a palindrome (335635536533).

The spelling of 123322313212 in words is "one hundred twenty-three billion, three hundred twenty-two million, three hundred thirteen thousand, two hundred twelve".