12724142060645 has 8 divisors (see below), whose sum is σ = 15269009641080. Its totient is φ = 10179287536320.

The previous prime is 12724142060639. The next prime is 12724142060689. The reversal of 12724142060645 is 54606024142721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6528234511681 + 6195907548964 = 2555041^2 + 2489158^2 .

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

It is not a de Polignac number, because 12724142060645 - 2⁴ = 12724142060629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12724142060596 and 12724142060605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973886 + ... + 5137775.

It is an arithmetic number, because the mean of its divisors is an integer number (1908626205135).

Almost surely, 2^{12724142060645} is an apocalyptic number.

It is an amenable number.

12724142060645 is a deficient number, since it is larger than the sum of its proper divisors (2544867580435).

12724142060645 is an equidigital number, since it uses as much as digits as its factorization.

12724142060645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528055.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 12724142060645 in words is "twelve trillion, seven hundred twenty-four billion, one hundred forty-two million, sixty thousand, six hundred forty-five".