1211213322167 has 2 divisors, whose sum is σ = 1211213322168. Its totient is φ = 1211213322166.

The previous prime is 1211213322133. The next prime is 1211213322247. The reversal of 1211213322167 is 7612233121121.

It is a weak prime.

It is an emirp because it is prime and its reverse (7612233121121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1211213322167 - 2²⁰ = 1211212273591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211213322107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605606661083 + 605606661084.

It is an arithmetic number, because the mean of its divisors is an integer number (605606661084).

Almost surely, 2^{1211213322167} is an apocalyptic number.

1211213322167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211213322167 is an equidigital number, since it uses as much as digits as its factorization.

1211213322167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

Adding to 1211213322167 its reverse (7612233121121), we get a palindrome (8823446443288).

The spelling of 1211213322167 in words is "one trillion, two hundred eleven billion, two hundred thirteen million, three hundred twenty-two thousand, one hundred sixty-seven".