127122440000 has 70 divisors (see below), whose sum is σ = 315222435594. Its totient is φ = 50848960000.

The previous prime is 127122439987. The next prime is 127122440021. The reversal of 127122440000 is 44221721.

It can be written as a sum of positive squares in 5 ways, for example, as 76277601856 + 50844838144 = 276184^2 + 225488^2 .

It is a super-2 number, since 2×127122440000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 1549031 + ... + 1629030.

Almost surely, 2^127122440000 is an apocalyptic number.

127122440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127122440000 is an abundant number, since it is smaller than the sum of its proper divisors (188099995594).

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

127122440000 is an frugal number, since it uses more digits than its factorization.

127122440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178093 (or 3178068 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 127122440000 its reverse (44221721), we get a palindrome (127166661721).

The spelling of 127122440000 in words is "one hundred twenty-seven billion, one hundred twenty-two million, four hundred forty thousand".