12211200121112 has 64 divisors (see below), whose sum is σ = 23159514193920. Its totient is φ = 6035703303168.

The previous prime is 12211200121111. The next prime is 12211200121129. The reversal of 12211200121112 is 21112100211221.

It is a super-2 number, since 2×12211200121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211200121111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490259363 + ... + 490284269.

It is an arithmetic number, because the mean of its divisors is an integer number (361867409280).

Almost surely, 2^{12211200121112} is an apocalyptic number.

It is an amenable number.

12211200121112 is a deficient number, since it is larger than the sum of its proper divisors (10948314072808).

12211200121112 is a wasteful number, since it uses less digits than its factorization.

12211200121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26760 (or 26756 counting only the distinct ones).

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

Adding to 12211200121112 its reverse (21112100211221), we get a palindrome (33323300332333).

The spelling of 12211200121112 in words is "twelve trillion, two hundred eleven billion, two hundred million, one hundred twenty-one thousand, one hundred twelve".