127022112392 has 108 divisors (see below), whose sum is σ = 283811915655. Its totient is φ = 53140680096.

The previous prime is 127022112391. The next prime is 127022112409. The reversal of 127022112392 is 293211220721.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 63511056196 + 63511056196 = 252014^2 + 252014^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=252014.

It is a super-2 number, since 2×127022112392² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127022112391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 331650233 + ... + 331650615.

Almost surely, 2^127022112392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127022112392

127022112392 is an abundant number, since it is smaller than the sum of its proper divisors (156789803263).

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

127022112392 is an frugal number, since it uses more digits than its factorization.

127022112392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

Multiplying 127022112392 by its sum of digits (32), we get a square (4064707596544 = 2016112²).

The spelling of 127022112392 in words is "one hundred twenty-seven billion, twenty-two million, one hundred twelve thousand, three hundred ninety-two".