12020323110311 has 2 divisors, whose sum is σ = 12020323110312. Its totient is φ = 12020323110310.

The previous prime is 12020323110293. The next prime is 12020323110317. The reversal of 12020323110311 is 11301132302021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12020323110311 - 2²⁶ = 12020256001447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020323110317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010161555155 + 6010161555156.

It is an arithmetic number, because the mean of its divisors is an integer number (6010161555156).

Almost surely, 2^{12020323110311} is an apocalyptic number.

12020323110311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020323110311 is an equidigital number, since it uses as much as digits as its factorization.

12020323110311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12020323110311 its reverse (11301132302021), we get a palindrome (23321455412332).

The spelling of 12020323110311 in words is "twelve trillion, twenty billion, three hundred twenty-three million, one hundred ten thousand, three hundred eleven".