12012002020001 has 2 divisors, whose sum is σ = 12012002020002. Its totient is φ = 12012002020000.

The previous prime is 12012002019977. The next prime is 12012002020019. The reversal of 12012002020001 is 10002020021021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6997739064976 + 5014262955025 = 2645324^2 + 2239255^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012002020001 - 2²² = 12011997825697 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012002020301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006001010000 + 6006001010001.

It is an arithmetic number, because the mean of its divisors is an integer number (6006001010001).

Almost surely, 2^{12012002020001} is an apocalyptic number.

It is an amenable number.

12012002020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012002020001 is an equidigital number, since it uses as much as digits as its factorization.

12012002020001 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 11.

Adding to 12012002020001 its reverse (10002020021021), we get a palindrome (22014022041022).

The spelling of 12012002020001 in words is "twelve trillion, twelve billion, two million, twenty thousand, one".