12911272215 has 8 divisors (see below), whose sum is σ = 20658035568. Its totient is φ = 6886011840.

The previous prime is 12911272189. The next prime is 12911272267. The reversal of 12911272215 is 51227211921.

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

It is not a de Polignac number, because 12911272215 - 2⁸ = 12911271959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430375726 + ... + 430375755.

It is an arithmetic number, because the mean of its divisors is an integer number (2582254446).

Almost surely, 2^12911272215 is an apocalyptic number.

12911272215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12911272215 is a deficient number, since it is larger than the sum of its proper divisors (7746763353).

12911272215 is an equidigital number, since it uses as much as digits as its factorization.

12911272215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860751489.

The product of its digits is 5040, while the sum is 33.

The spelling of 12911272215 in words is "twelve billion, nine hundred eleven million, two hundred seventy-two thousand, two hundred fifteen".