12875789225 has 12 divisors (see below), whose sum is σ = 17194131276. Its totient is φ = 9508274880.

The previous prime is 12875789197. The next prime is 12875789279. The reversal of 12875789225 is 52298757821.

It can be written as a sum of positive squares in 6 ways, for example, as 3056762944 + 9819026281 = 55288^2 + 99091^2 .

It is not a de Polignac number, because 12875789225 - 2⁸ = 12875788969 is a prime.

It is a super-2 number, since 2×12875789225² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19808582 + ... + 19809231.

It is an arithmetic number, because the mean of its divisors is an integer number (1432844273).

Almost surely, 2^12875789225 is an apocalyptic number.

It is an amenable number.

12875789225 is a deficient number, since it is larger than the sum of its proper divisors (4318342051).

12875789225 is a wasteful number, since it uses less digits than its factorization.

12875789225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39617836 (or 39617831 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 56.

The spelling of 12875789225 in words is "twelve billion, eight hundred seventy-five million, seven hundred eighty-nine thousand, two hundred twenty-five".