12002201122 has 8 divisors (see below), whose sum is σ = 18249922476. Its totient is φ = 5918893632.

The previous prime is 12002201117. The next prime is 12002201129. The reversal of 12002201122 is 22110220021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10308137841 + 1694063281 = 101529^2 + 41159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12002201129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41103283 + ... + 41103574.

Almost surely, 2^12002201122 is an apocalyptic number.

12002201122 is a deficient number, since it is larger than the sum of its proper divisors (6247721354).

12002201122 is an equidigital number, since it uses as much as digits as its factorization.

12002201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82206932.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002201122 its reverse (22110220021), we get a palindrome (34112421143).

The spelling of 12002201122 in words is "twelve billion, two million, two hundred one thousand, one hundred twenty-two".