12320223220313 has 2 divisors, whose sum is σ = 12320223220314. Its totient is φ = 12320223220312.

The previous prime is 12320223220259. The next prime is 12320223220367. The reversal of 12320223220313 is 31302232202321.

It is a balanced prime because it is at equal distance from previous prime (12320223220259) and next prime (12320223220367).

It can be written as a sum of positive squares in only one way, i.e., 9116939408329 + 3203283811984 = 3019427^2 + 1789772^2 .

It is an emirp because it is prime and its reverse (31302232202321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12320223220313 - 2⁸ = 12320223220057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12320223240313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160111610156 + 6160111610157.

It is an arithmetic number, because the mean of its divisors is an integer number (6160111610157).

Almost surely, 2^{12320223220313} is an apocalyptic number.

It is an amenable number.

12320223220313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320223220313 is an equidigital number, since it uses as much as digits as its factorization.

12320223220313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 12320223220313 its reverse (31302232202321), we get a palindrome (43622455422634).

The spelling of 12320223220313 in words is "twelve trillion, three hundred twenty billion, two hundred twenty-three million, two hundred twenty thousand, three hundred thirteen".