12731740211 has 4 divisors (see below), whose sum is σ = 12792080424. Its totient is φ = 12671400000.

The previous prime is 12731740199. The next prime is 12731740223. The reversal of 12731740211 is 11204713721.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12731740199) and next prime (12731740223).

It is a cyclic number.

It is not a de Polignac number, because 12731740211 - 2¹⁰ = 12731739187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12731340211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30169790 + ... + 30170211.

It is an arithmetic number, because the mean of its divisors is an integer number (3198020106).

Almost surely, 2^12731740211 is an apocalyptic number.

12731740211 is a deficient number, since it is larger than the sum of its proper divisors (60340213).

12731740211 is an equidigital number, since it uses as much as digits as its factorization.

12731740211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60340212.

The product of its (nonzero) digits is 2352, while the sum is 29.

The spelling of 12731740211 in words is "twelve billion, seven hundred thirty-one million, seven hundred forty thousand, two hundred eleven".