2012001211201 has 2 divisors, whose sum is σ = 2012001211202. Its totient is φ = 2012001211200.

The previous prime is 2012001211177. The next prime is 2012001211211. The reversal of 2012001211201 is 1021121002102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1991033881600 + 20967329601 = 1411040^2 + 144801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012001211201 - 2⁵ = 2012001211169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012001211211) 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, 1006000605600 + 1006000605601.

It is an arithmetic number, because the mean of its divisors is an integer number (1006000605601).

Almost surely, 2^{2012001211201} is an apocalyptic number.

It is an amenable number.

2012001211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012001211201 is an equidigital number, since it uses as much as digits as its factorization.

2012001211201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012001211201 its reverse (1021121002102), we get a palindrome (3033122213303).

The spelling of 2012001211201 in words is "two trillion, twelve billion, one million, two hundred eleven thousand, two hundred one".