12725009032428 has 144 divisors (see below), whose sum is σ = 42462062383104. Its totient is φ = 3110773777920.

The previous prime is 12725009032423. The next prime is 12725009032469. The reversal of 12725009032428 is 82423090052721.

12725009032428 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 500 + 90 + 32 + 4 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (12725009032423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134969100 + ... + 135063347.

It is an arithmetic number, because the mean of its divisors is an integer number (294875433216).

Almost surely, 2^{12725009032428} is an apocalyptic number.

12725009032428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12725009032428 is an abundant number, since it is smaller than the sum of its proper divisors (29737053350676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12725009032428 is a wasteful number, since it uses less digits than its factorization.

12725009032428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270032492 (or 270032487 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 12725009032428 in words is "twelve trillion, seven hundred twenty-five billion, nine million, thirty-two thousand, four hundred twenty-eight".