1202002021169 has 2 divisors, whose sum is σ = 1202002021170. Its totient is φ = 1202002021168.

The previous prime is 1202002021151. The next prime is 1202002021217. The reversal of 1202002021169 is 9611202002021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004765664400 + 197236356769 = 1002380^2 + 444113^2 .

It is an emirp because it is prime and its reverse (9611202002021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202002021169 - 2⁴⁰ = 102490393393 is a prime.

It is a super-2 number, since 2×1202002021169² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1202002021769) 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, 601001010584 + 601001010585.

It is an arithmetic number, because the mean of its divisors is an integer number (601001010585).

Almost surely, 2^{1202002021169} is an apocalyptic number.

It is an amenable number.

1202002021169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202002021169 is an equidigital number, since it uses as much as digits as its factorization.

1202002021169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1202002021169 in words is "one trillion, two hundred two billion, two million, twenty-one thousand, one hundred sixty-nine".