208230567122 has 6 divisors (see below), whose sum is σ = 312346818693. Its totient is φ = 104114960892.

The previous prime is 208230567067. The next prime is 208230567133. The reversal of 208230567122 is 221765032802.

It can be written as a sum of positive squares in 2 ways, for example, as 116014490881 + 92216076241 = 340609^2 + 303671^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=322669.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 484004 + ... + 806672.

Almost surely, 2^208230567122 is an apocalyptic number.

208230567122 is a deficient number, since it is larger than the sum of its proper divisors (104116251571).

208230567122 is an frugal number, since it uses more digits than its factorization.

208230567122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645340 (or 322671 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 208230567122 its reverse (221765032802), we get a palindrome (429995599924).

The spelling of 208230567122 in words is "two hundred eight billion, two hundred thirty million, five hundred sixty-seven thousand, one hundred twenty-two".