12001020320323 has 2 divisors, whose sum is σ = 12001020320324. Its totient is φ = 12001020320322.

The previous prime is 12001020320287. The next prime is 12001020320353. The reversal of 12001020320323 is 32302302010021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001020320323 - 2⁹ = 12001020319811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001020320323.

It is not a weakly prime, because it can be changed into another prime (12001020320353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000510160161 + 6000510160162.

It is an arithmetic number, because the mean of its divisors is an integer number (6000510160162).

Almost surely, 2^{12001020320323} is an apocalyptic number.

12001020320323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001020320323 is an equidigital number, since it uses as much as digits as its factorization.

12001020320323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12001020320323 its reverse (32302302010021), we get a palindrome (44303322330344).

The spelling of 12001020320323 in words is "twelve trillion, one billion, twenty million, three hundred twenty thousand, three hundred twenty-three".