12231025 has 6 divisors (see below), whose sum is σ = 15166502. Its totient is φ = 9784800.

The previous prime is 12231001. The next prime is 12231059. The reversal of 12231025 is 52013221.

12231025 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 183184 + 12047841 = 428^2 + 3471^2 .

It is not a de Polignac number, because 12231025 - 2⁵ = 12230993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244596 + ... + 244645.

Almost surely, 2^12231025 is an apocalyptic number.

It is an amenable number.

12231025 is a deficient number, since it is larger than the sum of its proper divisors (2935477).

12231025 is an equidigital number, since it uses as much as digits as its factorization.

12231025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489251 (or 489246 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12231025 is about 3497.2882351902. The cubic root of 12231025 is about 230.4027285657.

Adding to 12231025 its reverse (52013221), we get a palindrome (64244246).

The spelling of 12231025 in words is "twelve million, two hundred thirty-one thousand, twenty-five".