12101200121201 has 2 divisors, whose sum is σ = 12101200121202. Its totient is φ = 12101200121200.

The previous prime is 12101200121189. The next prime is 12101200121209. The reversal of 12101200121201 is 10212100210121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9604736920801 + 2496463200400 = 3099151^2 + 1580020^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101200121201 - 2¹⁴ = 12101200104817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101200121209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050600060600 + 6050600060601.

It is an arithmetic number, because the mean of its divisors is an integer number (6050600060601).

Almost surely, 2^{12101200121201} is an apocalyptic number.

It is an amenable number.

12101200121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101200121201 is an equidigital number, since it uses as much as digits as its factorization.

12101200121201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101200121201 its reverse (10212100210121), we get a palindrome (22313300331322).

The spelling of 12101200121201 in words is "twelve trillion, one hundred one billion, two hundred million, one hundred twenty-one thousand, two hundred one".