12200112111212 has 12 divisors (see below), whose sum is σ = 22473890731320. Its totient is φ = 5779000473696.

The previous prime is 12200112111211. The next prime is 12200112111221. The reversal of 12200112111212 is 21211121100221.

It is a super-2 number, since 2×12200112111212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12200112111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80263895393 + ... + 80263895544.

It is an arithmetic number, because the mean of its divisors is an integer number (1872824227610).

Almost surely, 2^{12200112111212} is an apocalyptic number.

It is an amenable number.

12200112111212 is a deficient number, since it is larger than the sum of its proper divisors (10273778620108).

12200112111212 is a wasteful number, since it uses less digits than its factorization.

12200112111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160527790960 (or 160527790958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12200112111212 its reverse (21211121100221), we get a palindrome (33411233211433).

The spelling of 12200112111212 in words is "twelve trillion, two hundred billion, one hundred twelve million, one hundred eleven thousand, two hundred twelve".