12555520273 has 8 divisors (see below), whose sum is σ = 12963110400. Its totient is φ = 12148091040.

The previous prime is 12555520247. The next prime is 12555520297. The reversal of 12555520273 is 37202555521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12555520273 - 2⁹ = 12555519761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12555520213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129861 + ... + 204877.

It is an arithmetic number, because the mean of its divisors is an integer number (1620388800).

Almost surely, 2^12555520273 is an apocalyptic number.

It is an amenable number.

12555520273 is a deficient number, since it is larger than the sum of its proper divisors (407590127).

12555520273 is an equidigital number, since it uses as much as digits as its factorization.

12555520273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80447.

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 12555520273 in words is "twelve billion, five hundred fifty-five million, five hundred twenty thousand, two hundred seventy-three".