12121322310323 has 2 divisors, whose sum is σ = 12121322310324. Its totient is φ = 12121322310322.

The previous prime is 12121322310283. The next prime is 12121322310341. The reversal of 12121322310323 is 32301322312121.

It is a strong prime.

It is an emirp because it is prime and its reverse (32301322312121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12121322310323 - 2⁴² = 7723275799219 is a prime.

It is a super-2 number, since 2×12121322310323² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121322310292 and 12121322310301.

It is not a weakly prime, because it can be changed into another prime (12121322300323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060661155161 + 6060661155162.

It is an arithmetic number, because the mean of its divisors is an integer number (6060661155162).

Almost surely, 2^{12121322310323} is an apocalyptic number.

12121322310323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121322310323 is an equidigital number, since it uses as much as digits as its factorization.

12121322310323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12121322310323 its reverse (32301322312121), we get a palindrome (44422644622444).

The spelling of 12121322310323 in words is "twelve trillion, one hundred twenty-one billion, three hundred twenty-two million, three hundred ten thousand, three hundred twenty-three".