12721732603255 has 64 divisors (see below), whose sum is σ = 17426213925120. Its totient is φ = 8847246643200.

The previous prime is 12721732603213. The next prime is 12721732603259. The reversal of 12721732603255 is 55230623712721.

It is not a de Polignac number, because 12721732603255 - 2³¹ = 12719585119607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12721732603259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 375665454 + ... + 375699316.

It is an arithmetic number, because the mean of its divisors is an integer number (272284592580).

Almost surely, 2^{12721732603255} is an apocalyptic number.

12721732603255 is a deficient number, since it is larger than the sum of its proper divisors (4704481321865).

12721732603255 is a wasteful number, since it uses less digits than its factorization.

12721732603255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38812.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 12721732603255 in words is "twelve trillion, seven hundred twenty-one billion, seven hundred thirty-two million, six hundred three thousand, two hundred fifty-five".