12101200120001 has 2 divisors, whose sum is σ = 12101200120002. Its totient is φ = 12101200120000.

The previous prime is 12101200119997. The next prime is 12101200120007. The reversal of 12101200120001 is 10002100210121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10155311827600 + 1945888292401 = 3186740^2 + 1394951^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101200120001 - 2² = 12101200119997 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101200120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050600060000 + 6050600060001.

It is an arithmetic number, because the mean of its divisors is an integer number (6050600060001).

Almost surely, 2^{12101200120001} is an apocalyptic number.

It is an amenable number.

12101200120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101200120001 is an equidigital number, since it uses as much as digits as its factorization.

12101200120001 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 11.

Adding to 12101200120001 its reverse (10002100210121), we get a palindrome (22103300330122).

The spelling of 12101200120001 in words is "twelve trillion, one hundred one billion, two hundred million, one hundred twenty thousand, one".