12012201122 has 16 divisors (see below), whose sum is σ = 19907690112. Its totient is φ = 5407026240.

The previous prime is 12012201083. The next prime is 12012201127. The reversal of 12012201122 is 22110221021.

It is a junction number, because it is equal to n+sod(n) for n = 12012201097 and 12012201106.

It is not an unprimeable number, because it can be changed into a prime (12012201127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7679654 + ... + 7681217.

It is an arithmetic number, because the mean of its divisors is an integer number (1244230632).

Almost surely, 2^12012201122 is an apocalyptic number.

12012201122 is a deficient number, since it is larger than the sum of its proper divisors (7895488990).

12012201122 is a wasteful number, since it uses less digits than its factorization.

12012201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15360913.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12012201122 its reverse (22110221021), we get a palindrome (34122422143).

The spelling of 12012201122 in words is "twelve billion, twelve million, two hundred one thousand, one hundred twenty-two".