123320121332312 has 32 divisors (see below), whose sum is σ = 232513121430000. Its totient is φ = 61317501772800.

The previous prime is 123320121332299. The next prime is 123320121332327. The reversal of 123320121332312 is 213233121023321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53845889 + ... + 56089392.

Almost surely, 2^{123320121332312} is an apocalyptic number.

It is an amenable number.

123320121332312 is a deficient number, since it is larger than the sum of its proper divisors (109193000097688).

123320121332312 is a wasteful number, since it uses less digits than its factorization.

123320121332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109936067 (or 109936063 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 123320121332312 its reverse (213233121023321), we get a palindrome (336553242355633).

The spelling of 123320121332312 in words is "one hundred twenty-three trillion, three hundred twenty billion, one hundred twenty-one million, three hundred thirty-two thousand, three hundred twelve".