12575451027428 has 12 divisors (see below), whose sum is σ = 22059562067760. Its totient is φ = 6272719008072.

The previous prime is 12575451027421. The next prime is 12575451027457. The reversal of 12575451027428 is 82472015457521.

It is a self number, because there is not a number n which added to its sum of digits gives 12575451027428.

It is not an unprimeable number, because it can be changed into a prime (12575451027421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3751624526 + ... + 3751627877.

It is an arithmetic number, because the mean of its divisors is an integer number (1838296838980).

Almost surely, 2^{12575451027428} is an apocalyptic number.

It is an amenable number.

12575451027428 is a deficient number, since it is larger than the sum of its proper divisors (9484111040332).

12575451027428 is a wasteful number, since it uses less digits than its factorization.

12575451027428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503252826 (or 7503252824 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 53.

The spelling of 12575451027428 in words is "twelve trillion, five hundred seventy-five billion, four hundred fifty-one million, twenty-seven thousand, four hundred twenty-eight".