80127140121600 has 792 divisors, whose sum is σ = 313479798456720. Its totient is φ = 17930521804800.

The previous prime is 80127140121593. The next prime is 80127140121673. The reversal of 80127140121600 is 612104172108.

It is a super-4 number, since 4×80127140121600⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 120474766 + ... + 121138034.

Almost surely, 2^{80127140121600} is an apocalyptic number.

80127140121600 is a gapful number since it is divisible by the number (80) 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 80127140121600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156739899228360).

80127140121600 is an abundant number, since it is smaller than the sum of its proper divisors (233352658335120).

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

80127140121600 is a wasteful number, since it uses less digits than its factorization.

80127140121600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663337 (or 663303 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

Adding to 80127140121600 its reverse (612104172108), we get a palindrome (80739244293708).

The spelling of 80127140121600 in words is "eighty trillion, one hundred twenty-seven billion, one hundred forty million, one hundred twenty-one thousand, six hundred".