127780732512196 has 27 divisors (see below), whose sum is σ = 237544654074637. Its totient is φ = 60131928553280.

The previous prime is 127780732512161. The next prime is 127780732512221. The reversal of 127780732512196 is 691215237087721.

The square root of 127780732512196 is 11304014.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 99483269256900 + 28297463255296 = 9974130^2 + 5319536^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 384170241 + ... + 384502711.

Almost surely, 2^{127780732512196} is an apocalyptic number.

127780732512196 is the 11304014-th square number.

It is an amenable number.

127780732512196 is a deficient number, since it is larger than the sum of its proper divisors (109763921562441).

127780732512196 is an frugal number, since it uses more digits than its factorization.

127780732512196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664980 (or 332490 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 61.

The spelling of 127780732512196 in words is "one hundred twenty-seven trillion, seven hundred eighty billion, seven hundred thirty-two million, five hundred twelve thousand, one hundred ninety-six".