202001202001273 has 2 divisors, whose sum is σ = 202001202001274. Its totient is φ = 202001202001272.

The previous prime is 202001202001187. The next prime is 202001202001327. The reversal of 202001202001273 is 372100202100202.

Together with next prime (202001202001327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201970938875904 + 30263125369 = 14211648^2 + 173963^2 .

It is a cyclic number.

It is not a de Polignac number, because 202001202001273 - 2¹³ = 202001201993081 is a prime.

It is not a weakly prime, because it can be changed into another prime (202001202001673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000601000636 + 101000601000637.

It is an arithmetic number, because the mean of its divisors is an integer number (101000601000637).

Almost surely, 2^{202001202001273} is an apocalyptic number.

It is an amenable number.

202001202001273 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001202001273 is an equidigital number, since it uses as much as digits as its factorization.

202001202001273 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 22.

Adding to 202001202001273 its reverse (372100202100202), we get a palindrome (574101404101475).

The spelling of 202001202001273 in words is "two hundred two trillion, one billion, two hundred two million, one thousand, two hundred seventy-three".