210012102183817 has 2 divisors, whose sum is σ = 210012102183818. Its totient is φ = 210012102183816.

The previous prime is 210012102183809. The next prime is 210012102183827. The reversal of 210012102183817 is 718381201210012.

It is a happy number.

210012102183817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147163611472201 + 62848490711616 = 12131101^2 + 7927704^2 .

It is a cyclic number.

It is not a de Polignac number, because 210012102183817 - 2³ = 210012102183809 is a prime.

It is not a weakly prime, because it can be changed into another prime (210012102183827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006051091908 + 105006051091909.

It is an arithmetic number, because the mean of its divisors is an integer number (105006051091909).

Almost surely, 2^{210012102183817} is an apocalyptic number.

It is an amenable number.

210012102183817 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012102183817 is an equidigital number, since it uses as much as digits as its factorization.

210012102183817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 37.

Adding to 210012102183817 its reverse (718381201210012), we get a palindrome (928393303393829).

The spelling of 210012102183817 in words is "two hundred ten trillion, twelve billion, one hundred two million, one hundred eighty-three thousand, eight hundred seventeen".