123223130012 has 12 divisors (see below), whose sum is σ = 215707448376. Its totient is φ = 61592430480.

The previous prime is 123223130003. The next prime is 123223130027. The reversal of 123223130012 is 210031322321.

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, 4769138 + ... + 4794905.

It is an arithmetic number, because the mean of its divisors is an integer number (17975620698).

Almost surely, 2^123223130012 is an apocalyptic number.

It is an amenable number.

123223130012 is a deficient number, since it is larger than the sum of its proper divisors (92484318364).

123223130012 is a wasteful number, since it uses less digits than its factorization.

123223130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567268 (or 9567266 counting only the distinct ones).

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

Adding to 123223130012 its reverse (210031322321), we get a palindrome (333254452333).

The spelling of 123223130012 in words is "one hundred twenty-three billion, two hundred twenty-three million, one hundred thirty thousand, twelve".