127216857612 has 48 divisors (see below), whose sum is σ = 322968767072. Its totient is φ = 38740101120.

The previous prime is 127216857611. The next prime is 127216857619. The reversal of 127216857612 is 216758612721.

It is not an unprimeable number, because it can be changed into a prime (127216857611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4188439 + ... + 4218702.

Almost surely, 2^127216857612 is an apocalyptic number.

127216857612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127216857612 is an abundant number, since it is smaller than the sum of its proper divisors (195751909460).

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

127216857612 is a wasteful number, since it uses less digits than its factorization.

127216857612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8407258 (or 8407256 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The spelling of 127216857612 in words is "one hundred twenty-seven billion, two hundred sixteen million, eight hundred fifty-seven thousand, six hundred twelve".