12428266701625 has 16 divisors (see below), whose sum is σ = 15510576236688. Its totient is φ = 9942549648000.

The previous prime is 12428266701623. The next prime is 12428266701649. The reversal of 12428266701625 is 52610766282421.

It is a happy number.

12428266701625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3497397437689 + 8930869263936 = 1870133^2 + 2988456^2 .

It is not a de Polignac number, because 12428266701625 - 2¹ = 12428266701623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12428266701623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33967155 + ... + 34331095.

It is an arithmetic number, because the mean of its divisors is an integer number (969411014793).

Almost surely, 2^{12428266701625} is an apocalyptic number.

It is an amenable number.

12428266701625 is a deficient number, since it is larger than the sum of its proper divisors (3082309535063).

12428266701625 is an equidigital number, since it uses as much as digits as its factorization.

12428266701625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637149 (or 637139 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 12428266701625 in words is "twelve trillion, four hundred twenty-eight billion, two hundred sixty-six million, seven hundred one thousand, six hundred twenty-five".