12101201005001 has 2 divisors, whose sum is σ = 12101201005002. Its totient is φ = 12101201005000.

The previous prime is 12101201004979. The next prime is 12101201005027. The reversal of 12101201005001 is 10050010210121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8702948405776 + 3398252599225 = 2950076^2 + 1843435^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101201005001 - 2¹⁰ = 12101201003977 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101201005031) 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, 6050600502500 + 6050600502501.

It is an arithmetic number, because the mean of its divisors is an integer number (6050600502501).

Almost surely, 2^{12101201005001} is an apocalyptic number.

It is an amenable number.

12101201005001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101201005001 is an equidigital number, since it uses as much as digits as its factorization.

12101201005001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 12101201005001 its reverse (10050010210121), we get a palindrome (22151211215122).

The spelling of 12101201005001 in words is "twelve trillion, one hundred one billion, two hundred one million, five thousand, one".