127312112 has 20 divisors (see below), whose sum is σ = 249213216. Its totient is φ = 62999040.

The previous prime is 127312111. The next prime is 127312151. The reversal of 127312112 is 211213721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127312111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39464 + ... + 42567.

Almost surely, 2^127312112 is an apocalyptic number.

It is an amenable number.

127312112 is a deficient number, since it is larger than the sum of its proper divisors (121901104).

127312112 is an equidigital number, since it uses as much as digits as its factorization.

127312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82136 (or 82130 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 127312112 is about 11283.2669028079. The cubic root of 127312112 is about 503.0640014368.

Adding to 127312112 its reverse (211213721), we get a palindrome (338525833).

The spelling of 127312112 in words is "one hundred twenty-seven million, three hundred twelve thousand, one hundred twelve".