68120211 has 8 divisors (see below), whose sum is σ = 92540880. Its totient is φ = 44556512.

The previous prime is 68120209. The next prime is 68120231. The reversal of 68120211 is 11202186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68120211 - 2¹ = 68120209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68120231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214056 + ... + 214373.

It is an arithmetic number, because the mean of its divisors is an integer number (11567610).

Almost surely, 2^68120211 is an apocalyptic number.

68120211 is a deficient number, since it is larger than the sum of its proper divisors (24420669).

68120211 is a wasteful number, since it uses less digits than its factorization.

68120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428485.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 68120211 is about 8253.4968952560. The cubic root of 68120211 is about 408.4058881300.

Adding to 68120211 its reverse (11202186), we get a palindrome (79322397).

The spelling of 68120211 in words is "sixty-eight million, one hundred twenty thousand, two hundred eleven".