68050217512 has 32 divisors (see below), whose sum is σ = 128091600000. Its totient is φ = 33892677504.

The previous prime is 68050217509. The next prime is 68050217513. The reversal of 68050217512 is 21571205086.

It is a super-2 number, since 2×68050217512² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68050217513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579364 + ... + 2605612.

It is an arithmetic number, because the mean of its divisors is an integer number (4002862500).

Almost surely, 2^68050217512 is an apocalyptic number.

It is an amenable number.

68050217512 is a deficient number, since it is larger than the sum of its proper divisors (60041382488).

68050217512 is a wasteful number, since it uses less digits than its factorization.

68050217512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27505 (or 27501 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 68050217512 in words is "sixty-eight billion, fifty million, two hundred seventeen thousand, five hundred twelve".