201201221293 has 2 divisors, whose sum is σ = 201201221294. Its totient is φ = 201201221292.

The previous prime is 201201221281. The next prime is 201201221317. The reversal of 201201221293 is 392122102102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196140037129 + 5061184164 = 442877^2 + 71142^2 .

It is a cyclic number.

It is not a de Polignac number, because 201201221293 - 2¹⁷ = 201201090221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201221203) 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, 100600610646 + 100600610647.

It is an arithmetic number, because the mean of its divisors is an integer number (100600610647).

Almost surely, 2^201201221293 is an apocalyptic number.

It is an amenable number.

201201221293 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201221293 is an equidigital number, since it uses as much as digits as its factorization.

201201221293 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 25.

Adding to 201201221293 its reverse (392122102102), we get a palindrome (593323323395).

The spelling of 201201221293 in words is "two hundred one billion, two hundred one million, two hundred twenty-one thousand, two hundred ninety-three".