12425234643 has 24 divisors (see below), whose sum is σ = 18649787520. Its totient is φ = 7961950080.

The previous prime is 12425234597. The next prime is 12425234719. The reversal of 12425234643 is 34643252421.

12425234643 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 5 + 2 + 3 + 4 + 643 = 666.

It is not a de Polignac number, because 12425234643 - 2¹⁴ = 12425218259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12425234598 and 12425234607.

It is not an unprimeable number, because it can be changed into a prime (12425233643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48538 + ... + 164943.

It is an arithmetic number, because the mean of its divisors is an integer number (777074480).

Almost surely, 2^12425234643 is an apocalyptic number.

12425234643 is a deficient number, since it is larger than the sum of its proper divisors (6224552877).

12425234643 is a wasteful number, since it uses less digits than its factorization.

12425234643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213739 (or 213736 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The spelling of 12425234643 in words is "twelve billion, four hundred twenty-five million, two hundred thirty-four thousand, six hundred forty-three".