12204021025 has 12 divisors (see below), whose sum is σ = 17294841472. Its totient is φ = 8368471440.

The previous prime is 12204021017. The next prime is 12204021029. The reversal of 12204021025 is 52012040221.

12204021025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12204021025 - 2³ = 12204021017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12204020993 and 12204021011.

It is not an unprimeable number, because it can be changed into a prime (12204021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34868457 + ... + 34868806.

Almost surely, 2^12204021025 is an apocalyptic number.

It is an amenable number.

12204021025 is a deficient number, since it is larger than the sum of its proper divisors (5090820447).

12204021025 is an equidigital number, since it uses as much as digits as its factorization.

12204021025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69737280 (or 69737275 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 12204021025 its reverse (52012040221), we get a palindrome (64216061246).

The spelling of 12204021025 in words is "twelve billion, two hundred four million, twenty-one thousand, twenty-five".