127522992312 has 96 divisors (see below), whose sum is σ = 356838768000. Its totient is φ = 41115912768.

The previous prime is 127522992307. The next prime is 127522992403. The reversal of 127522992312 is 213299225721.

127522992312 is a `hidden beast` number, since 1 + 2 + 7 + 522 + 9 + 92 + 31 + 2 = 666.

It is a super-2 number, since 2×127522992312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118939 + ... + 518837.

It is an arithmetic number, because the mean of its divisors is an integer number (3717070500).

Almost surely, 2^127522992312 is an apocalyptic number.

127522992312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127522992312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178419384000).

127522992312 is an abundant number, since it is smaller than the sum of its proper divisors (229315775688).

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

127522992312 is a wasteful number, since it uses less digits than its factorization.

127522992312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400057 (or 400050 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 127522992312 in words is "one hundred twenty-seven billion, five hundred twenty-two million, nine hundred ninety-two thousand, three hundred twelve".