68205279122 has 6 divisors (see below), whose sum is σ = 102308472693. Its totient is φ = 34102454892.

The previous prime is 68205279119. The next prime is 68205279173. The reversal of 68205279122 is 22197250286.

It can be written as a sum of positive squares in 2 ways, for example, as 60441730801 + 7763548321 = 245849^2 + 88111^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=184669.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 277004 + ... + 461672.

Almost surely, 2^68205279122 is an apocalyptic number.

68205279122 is a deficient number, since it is larger than the sum of its proper divisors (34103193571).

68205279122 is an frugal number, since it uses more digits than its factorization.

68205279122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369340 (or 184671 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 68205279122 in words is "sixty-eight billion, two hundred five million, two hundred seventy-nine thousand, one hundred twenty-two".