12022321025 has 36 divisors (see below), whose sum is σ = 17646654396. Its totient is φ = 8070902400.

The previous prime is 12022321019. The next prime is 12022321057. The reversal of 12022321025 is 52012322021.

It can be written as a sum of positive squares in 6 ways, for example, as 9284209 + 12013036816 = 3047^2 + 109604^2 .

It is not a de Polignac number, because 12022321025 - 2¹⁰ = 12022320001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12022320988 and 12022321006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 113534 + ... + 192183.

Almost surely, 2^12022321025 is an apocalyptic number.

It is an amenable number.

12022321025 is a deficient number, since it is larger than the sum of its proper divisors (5624333371).

12022321025 is a wasteful number, since it uses less digits than its factorization.

12022321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305762 (or 305746 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12022321025 its reverse (52012322021), we get a palindrome (64034643046).

The spelling of 12022321025 in words is "twelve billion, twenty-two million, three hundred twenty-one thousand, twenty-five".