12022100225 has 6 divisors (see below), whose sum is σ = 14907404310. Its totient is φ = 9617680160.

The previous prime is 12022100221. The next prime is 12022100231. The reversal of 12022100225 is 52200122021.

It can be written as a sum of positive squares in 3 ways, for example, as 17172736 + 12004927489 = 4144^2 + 109567^2 .

It is not a de Polignac number, because 12022100225 - 2² = 12022100221 is a prime.

It is a super-3 number, since 3×12022100225³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12022100221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240441980 + ... + 240442029.

It is an arithmetic number, because the mean of its divisors is an integer number (2484567385).

Almost surely, 2^12022100225 is an apocalyptic number.

It is an amenable number.

12022100225 is a deficient number, since it is larger than the sum of its proper divisors (2885304085).

12022100225 is an equidigital number, since it uses as much as digits as its factorization.

12022100225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480884019 (or 480884014 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 12022100225 its reverse (52200122021), we get a palindrome (64222222246).

The spelling of 12022100225 in words is "twelve billion, twenty-two million, one hundred thousand, two hundred twenty-five".