12742434571628 has 12 divisors (see below), whose sum is σ = 22300554757152. Its totient is φ = 6370847498160.

The previous prime is 12742434571547. The next prime is 12742434571663. The reversal of 12742434571628 is 82617543424721.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92369375 + ... + 92507222.

It is an arithmetic number, because the mean of its divisors is an integer number (1858379563096).

Almost surely, 2^{12742434571628} is an apocalyptic number.

It is an amenable number.

12742434571628 is a deficient number, since it is larger than the sum of its proper divisors (9558120185524).

12742434571628 is a wasteful number, since it uses less digits than its factorization.

12742434571628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184893832 (or 184893830 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 56.

The spelling of 12742434571628 in words is "twelve trillion, seven hundred forty-two billion, four hundred thirty-four million, five hundred seventy-one thousand, six hundred twenty-eight".