12012001102001 has 2 divisors, whose sum is σ = 12012001102002. Its totient is φ = 12012001102000.

The previous prime is 12012001101983. The next prime is 12012001102097. The reversal of 12012001102001 is 10020110021021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12011762708401 + 238393600 = 3465799^2 + 15440^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012001102001 - 2¹⁸ = 12012000839857 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012001102901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006000551000 + 6006000551001.

It is an arithmetic number, because the mean of its divisors is an integer number (6006000551001).

Almost surely, 2^{12012001102001} is an apocalyptic number.

It is an amenable number.

12012001102001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012001102001 is an equidigital number, since it uses as much as digits as its factorization.

12012001102001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12012001102001 its reverse (10020110021021), we get a palindrome (22032111123022).

The spelling of 12012001102001 in words is "twelve trillion, twelve billion, one million, one hundred two thousand, one".