127181712645068 has 12 divisors (see below), whose sum is σ = 222570997095720. Its totient is φ = 63589999189152.

The previous prime is 127181712645019. The next prime is 127181712645077. The reversal of 127181712645068 is 860546217181721.

It is a junction number, because it is equal to n+sod(n) for n = 127181712644998 and 127181712645016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213949433 + ... + 214543056.

It is an arithmetic number, because the mean of its divisors is an integer number (18547583091310).

Almost surely, 2^{127181712645068} is an apocalyptic number.

It is an amenable number.

127181712645068 is a deficient number, since it is larger than the sum of its proper divisors (95389284450652).

127181712645068 is a wasteful number, since it uses less digits than its factorization.

127181712645068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428566696 (or 428566694 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 59.

The spelling of 127181712645068 in words is "one hundred twenty-seven trillion, one hundred eighty-one billion, seven hundred twelve million, six hundred forty-five thousand, sixty-eight".