120012111001201 has 2 divisors, whose sum is σ = 120012111001202. Its totient is φ = 120012111001200.

The previous prime is 120012111001171. The next prime is 120012111001207. The reversal of 120012111001201 is 102100111210021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117173610504976 + 2838500496225 = 10824676^2 + 1684785^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012111001201 - 2³⁵ = 119977751262833 is a prime.

It is not a weakly prime, because it can be changed into another prime (120012111001207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006055500600 + 60006055500601.

It is an arithmetic number, because the mean of its divisors is an integer number (60006055500601).

Almost surely, 2^{120012111001201} is an apocalyptic number.

It is an amenable number.

120012111001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012111001201 is an equidigital number, since it uses as much as digits as its factorization.

120012111001201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120012111001201 its reverse (102100111210021), we get a palindrome (222112222211222).

The spelling of 120012111001201 in words is "one hundred twenty trillion, twelve billion, one hundred eleven million, one thousand, two hundred one".