12170031025 has 12 divisors (see below), whose sum is σ = 15458909004. Its totient is φ = 9498560000.

The previous prime is 12170030987. The next prime is 12170031037. The reversal of 12170031025 is 52013007121.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 96196864 + 12073834161 = 9808^2 + 109881^2 .

It is not a de Polignac number, because 12170031025 - 2⁷ = 12170030897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12170030987 and 12170031005.

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, 5935576 + ... + 5937625.

It is an arithmetic number, because the mean of its divisors is an integer number (1288242417).

Almost surely, 2^12170031025 is an apocalyptic number.

It is an amenable number.

12170031025 is a deficient number, since it is larger than the sum of its proper divisors (3288877979).

12170031025 is a wasteful number, since it uses less digits than its factorization.

12170031025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11873252 (or 11873247 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 12170031025 its reverse (52013007121), we get a palindrome (64183038146).

The spelling of 12170031025 in words is "twelve billion, one hundred seventy million, thirty-one thousand, twenty-five".