12121130312323 has 2 divisors, whose sum is σ = 12121130312324. Its totient is φ = 12121130312322.

The previous prime is 12121130312261. The next prime is 12121130312329. The reversal of 12121130312323 is 32321303112121.

It is a strong prime.

It is an emirp because it is prime and its reverse (32321303112121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12121130312323 - 2²¹ = 12121128215171 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121130312329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060565156161 + 6060565156162.

It is an arithmetic number, because the mean of its divisors is an integer number (6060565156162).

Almost surely, 2^{12121130312323} is an apocalyptic number.

12121130312323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121130312323 is an equidigital number, since it uses as much as digits as its factorization.

12121130312323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12121130312323 its reverse (32321303112121), we get a palindrome (44442433424444).

The spelling of 12121130312323 in words is "twelve trillion, one hundred twenty-one billion, one hundred thirty million, three hundred twelve thousand, three hundred twenty-three".