12100021210201 has 2 divisors, whose sum is σ = 12100021210202. Its totient is φ = 12100021210200.

The previous prime is 12100021210103. The next prime is 12100021210243. The reversal of 12100021210201 is 10201212000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9396364491801 + 2703656718400 = 3065349^2 + 1644280^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100021210201 - 2⁷ = 12100021210073 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100021214201) 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, 6050010605100 + 6050010605101.

It is an arithmetic number, because the mean of its divisors is an integer number (6050010605101).

Almost surely, 2^{12100021210201} is an apocalyptic number.

It is an amenable number.

12100021210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100021210201 is an equidigital number, since it uses as much as digits as its factorization.

12100021210201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12100021210201 its reverse (10201212000121), we get a palindrome (22301233210322).

The spelling of 12100021210201 in words is "twelve trillion, one hundred billion, twenty-one million, two hundred ten thousand, two hundred one".