127905761312 has 48 divisors (see below), whose sum is σ = 290754898560. Its totient is φ = 54251624448.

The previous prime is 127905761237. The next prime is 127905761317. The reversal of 127905761312 is 213167509721.

It is a super-2 number, since 2×127905761312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127905761317) 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, 2921612 + ... + 2965067.

It is an arithmetic number, because the mean of its divisors is an integer number (6057393720).

Almost surely, 2^127905761312 is an apocalyptic number.

It is an amenable number.

127905761312 is an abundant number, since it is smaller than the sum of its proper divisors (162849137248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127905761312 is an equidigital number, since it uses as much as digits as its factorization.

127905761312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886793 (or 5886785 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 127905761312 in words is "one hundred twenty-seven billion, nine hundred five million, seven hundred sixty-one thousand, three hundred twelve".