12120021106201 has 2 divisors, whose sum is σ = 12120021106202. Its totient is φ = 12120021106200.

The previous prime is 12120021106199. The next prime is 12120021106217. The reversal of 12120021106201 is 10260112002121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8484607737225 + 3635413368976 = 2912835^2 + 1906676^2 .

It is an emirp because it is prime and its reverse (10260112002121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12120021106201 - 2¹ = 12120021106199 is a prime.

It is a super-2 number, since 2×12120021106201² (a number of 27 digits) contains 22 as substring.

Together with 12120021106199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12120021106261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060010553100 + 6060010553101.

It is an arithmetic number, because the mean of its divisors is an integer number (6060010553101).

Almost surely, 2^{12120021106201} is an apocalyptic number.

It is an amenable number.

12120021106201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120021106201 is an equidigital number, since it uses as much as digits as its factorization.

12120021106201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12120021106201 its reverse (10260112002121), we get a palindrome (22380133108322).

The spelling of 12120021106201 in words is "twelve trillion, one hundred twenty billion, twenty-one million, one hundred six thousand, two hundred one".