127212663753 has 40 divisors (see below), whose sum is σ = 217295749440. Its totient is φ = 72654680160.

The previous prime is 127212663751. The next prime is 127212663793. The reversal of 127212663753 is 357366212721.

127212663753 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 1 + 2 + 6 + 637 + 5 + 3 = 666.

It is not a de Polignac number, because 127212663753 - 2¹ = 127212663751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127212663699 and 127212663708.

It is not an unprimeable number, because it can be changed into a prime (127212663751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1036783 + ... + 1152971.

It is an arithmetic number, because the mean of its divisors is an integer number (5432393736).

Almost surely, 2^127212663753 is an apocalyptic number.

It is an amenable number.

127212663753 is a deficient number, since it is larger than the sum of its proper divisors (90083085687).

127212663753 is a wasteful number, since it uses less digits than its factorization.

127212663753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118139 (or 118130 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 127212663753 in words is "one hundred twenty-seven billion, two hundred twelve million, six hundred sixty-three thousand, seven hundred fifty-three".