12742820431611 has 8 divisors (see below), whose sum is σ = 17009668952640. Its totient is φ = 8485592765832.

The previous prime is 12742820431591. The next prime is 12742820431657. The reversal of 12742820431611 is 11613402824721.

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

It is not a de Polignac number, because 12742820431611 - 2⁶ = 12742820431547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12742820431711) 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, 2405210721 + ... + 2405216018.

It is an arithmetic number, because the mean of its divisors is an integer number (2126208619080).

Almost surely, 2^{12742820431611} is an apocalyptic number.

12742820431611 is a deficient number, since it is larger than the sum of its proper divisors (4266848521029).

12742820431611 is an equidigital number, since it uses as much as digits as its factorization.

12742820431611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810427625.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 12742820431611 in words is "twelve trillion, seven hundred forty-two billion, eight hundred twenty million, four hundred thirty-one thousand, six hundred eleven".