12120020111027 has 2 divisors, whose sum is σ = 12120020111028. Its totient is φ = 12120020111026.

The previous prime is 12120020110999. The next prime is 12120020111047. The reversal of 12120020111027 is 72011102002121.

It is a happy number.

It is an a-pointer prime, because the next prime (12120020111047) can be obtained adding 12120020111027 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120020111027 - 2⁸ = 12120020110771 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120020111047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060010055513 + 6060010055514.

It is an arithmetic number, because the mean of its divisors is an integer number (6060010055514).

Almost surely, 2^{12120020111027} is an apocalyptic number.

12120020111027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120020111027 is an equidigital number, since it uses as much as digits as its factorization.

12120020111027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 12120020111027 its reverse (72011102002121), we get a palindrome (84131122113148).

The spelling of 12120020111027 in words is "twelve trillion, one hundred twenty billion, twenty million, one hundred eleven thousand, twenty-seven".