68186707012 has 6 divisors (see below), whose sum is σ = 119326737278. Its totient is φ = 34093353504.

The previous prime is 68186706949. The next prime is 68186707013. The reversal of 68186707012 is 21070768186.

It can be written as a sum of positive squares in only one way, i.e., 51173678656 + 17013028356 = 226216^2 + 130434^2 .

It is not an unprimeable number, because it can be changed into a prime (68186707013) by changing a digit.

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 as a sum of consecutive naturals, namely, 8523338373 + ... + 8523338380.

Almost surely, 2^68186707012 is an apocalyptic number.

It is an amenable number.

68186707012 is a deficient number, since it is larger than the sum of its proper divisors (51140030266).

68186707012 is a wasteful number, since it uses less digits than its factorization.

68186707012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17046676757 (or 17046676755 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 68186707012 in words is "sixty-eight billion, one hundred eighty-six million, seven hundred seven thousand, twelve".