12078285025 has 12 divisors (see below), whose sum is σ = 14982622524. Its totient is φ = 9659048000.

The previous prime is 12078284983. The next prime is 12078285041. The reversal of 12078285025 is 52058287021.

It can be written as a sum of positive squares in 6 ways, for example, as 509991889 + 11568293136 = 22583^2 + 107556^2 .

It is not a de Polignac number, because 12078285025 - 2⁹ = 12078284513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19606 + ... + 156655.

It is an arithmetic number, because the mean of its divisors is an integer number (1248551877).

Almost surely, 2^12078285025 is an apocalyptic number.

It is an amenable number.

12078285025 is a deficient number, since it is larger than the sum of its proper divisors (2904337499).

12078285025 is a wasteful number, since it uses less digits than its factorization.

12078285025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179012 (or 179007 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 12078285025 in words is "twelve billion, seventy-eight million, two hundred eighty-five thousand, twenty-five".