212101202020237 has 2 divisors, whose sum is σ = 212101202020238. Its totient is φ = 212101202020236.

The previous prime is 212101202020159. The next prime is 212101202020241. The reversal of 212101202020237 is 732020202101212.

212101202020237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194826713145156 + 17274488875081 = 13958034^2 + 4156259^2 .

It is a cyclic number.

It is not a de Polignac number, because 212101202020237 - 2³⁵ = 212066842281869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212101202020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050601010118 + 106050601010119.

It is an arithmetic number, because the mean of its divisors is an integer number (106050601010119).

Almost surely, 2^{212101202020237} is an apocalyptic number.

It is an amenable number.

212101202020237 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101202020237 is an equidigital number, since it uses as much as digits as its factorization.

212101202020237 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 25.

Adding to 212101202020237 its reverse (732020202101212), we get a palindrome (944121404121449).

The spelling of 212101202020237 in words is "two hundred twelve trillion, one hundred one billion, two hundred two million, twenty thousand, two hundred thirty-seven".