201211201267 has 2 divisors, whose sum is σ = 201211201268. Its totient is φ = 201211201266.

The previous prime is 201211201183. The next prime is 201211201271. The reversal of 201211201267 is 762102112102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201211201267 is a prime.

It is not a weakly prime, because it can be changed into another prime (201211241267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605600633 + 100605600634.

It is an arithmetic number, because the mean of its divisors is an integer number (100605600634).

Almost surely, 2^201211201267 is an apocalyptic number.

201211201267 is a deficient number, since it is larger than the sum of its proper divisors (1).

201211201267 is an equidigital number, since it uses as much as digits as its factorization.

201211201267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 201211201267 its reverse (762102112102), we get a palindrome (963313313369).

The spelling of 201211201267 in words is "two hundred one billion, two hundred eleven million, two hundred one thousand, two hundred sixty-seven".