12121323301 has 2 divisors, whose sum is σ = 12121323302. Its totient is φ = 12121323300.

The previous prime is 12121323283. The next prime is 12121323307. The reversal of 12121323301 is 10332312121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10805810401 + 1315512900 = 103951^2 + 36270^2 .

It is a cyclic number.

It is not a de Polignac number, because 12121323301 - 2⁹ = 12121322789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121323307) 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, 6060661650 + 6060661651.

It is an arithmetic number, because the mean of its divisors is an integer number (6060661651).

Almost surely, 2^12121323301 is an apocalyptic number.

It is an amenable number.

12121323301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121323301 is an equidigital number, since it uses as much as digits as its factorization.

12121323301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12121323301 its reverse (10332312121), we get a palindrome (22453635422).

The spelling of 12121323301 in words is "twelve billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred one".