1210200210073 has 2 divisors, whose sum is σ = 1210200210074. Its totient is φ = 1210200210072.

The previous prime is 1210200210047. The next prime is 1210200210077. The reversal of 1210200210073 is 3700120020121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998666444889 + 211533765184 = 999333^2 + 459928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210200210073 - 2²⁹ = 1209663339161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210200210073.

It is not a weakly prime, because it can be changed into another prime (1210200210077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605100105036 + 605100105037.

It is an arithmetic number, because the mean of its divisors is an integer number (605100105037).

Almost surely, 2^{1210200210073} is an apocalyptic number.

It is an amenable number.

1210200210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210200210073 is an equidigital number, since it uses as much as digits as its factorization.

1210200210073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 1210200210073 its reverse (3700120020121), we get a palindrome (4910320230194).

The spelling of 1210200210073 in words is "one trillion, two hundred ten billion, two hundred million, two hundred ten thousand, seventy-three".