1210200211873 has 2 divisors, whose sum is σ = 1210200211874. Its totient is φ = 1210200211872.

The previous prime is 1210200211813. The next prime is 1210200211901. The reversal of 1210200211873 is 3781120020121.

It is an a-pointer prime, because the next prime (1210200211901) can be obtained adding 1210200211873 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209542443264 + 657768609 = 1099792^2 + 25647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210200211873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210200211813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605100105936 + 605100105937.

It is an arithmetic number, because the mean of its divisors is an integer number (605100105937).

Almost surely, 2^{1210200211873} is an apocalyptic number.

It is an amenable number.

1210200211873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210200211873 is an equidigital number, since it uses as much as digits as its factorization.

1210200211873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 1210200211873 its reverse (3781120020121), we get a palindrome (4991320231994).

The spelling of 1210200211873 in words is "one trillion, two hundred ten billion, two hundred million, two hundred eleven thousand, eight hundred seventy-three".