12320120993 has 2 divisors, whose sum is σ = 12320120994. Its totient is φ = 12320120992.

The previous prime is 12320120987. The next prime is 12320121031. The reversal of 12320120993 is 39902102321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12242979904 + 77141089 = 110648^2 + 8783^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320120993 - 2⁶ = 12320120929 is a prime.

It is not a weakly prime, because it can be changed into another prime (12320120903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160060496 + 6160060497.

It is an arithmetic number, because the mean of its divisors is an integer number (6160060497).

Almost surely, 2^12320120993 is an apocalyptic number.

It is an amenable number.

12320120993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320120993 is an equidigital number, since it uses as much as digits as its factorization.

12320120993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 12320120993 in words is "twelve billion, three hundred twenty million, one hundred twenty thousand, nine hundred ninety-three".