212210000181241 has 2 divisors, whose sum is σ = 212210000181242. Its totient is φ = 212210000181240.

The previous prime is 212210000181239. The next prime is 212210000181287. The reversal of 212210000181241 is 142181000012212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211181203805625 + 1028796375616 = 14532075^2 + 1014296^2 .

It is a cyclic number.

It is not a de Polignac number, because 212210000181241 - 2¹ = 212210000181239 is a prime.

Together with 212210000181239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212210000181041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105000090620 + 106105000090621.

It is an arithmetic number, because the mean of its divisors is an integer number (106105000090621).

Almost surely, 2^{212210000181241} is an apocalyptic number.

It is an amenable number.

212210000181241 is a deficient number, since it is larger than the sum of its proper divisors (1).

212210000181241 is an equidigital number, since it uses as much as digits as its factorization.

212210000181241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 212210000181241 its reverse (142181000012212), we get a palindrome (354391000193453).

The spelling of 212210000181241 in words is "two hundred twelve trillion, two hundred ten billion, one hundred eighty-one thousand, two hundred forty-one".