12323156445212 has 24 divisors (see below), whose sum is σ = 22304921089920. Its totient is φ = 5951102834880.

The previous prime is 12323156445169. The next prime is 12323156445239. The reversal of 12323156445212 is 21254465132321.

It is a self number, because there is not a number n which added to its sum of digits gives 12323156445212.

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, 97559963 + ... + 97686194.

It is an arithmetic number, because the mean of its divisors is an integer number (929371712080).

Almost surely, 2^{12323156445212} is an apocalyptic number.

It is an amenable number.

12323156445212 is a deficient number, since it is larger than the sum of its proper divisors (9981764644708).

12323156445212 is a wasteful number, since it uses less digits than its factorization.

12323156445212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195246701 (or 195246699 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The spelling of 12323156445212 in words is "twelve trillion, three hundred twenty-three billion, one hundred fifty-six million, four hundred forty-five thousand, two hundred twelve".