12211101201112 has 128 divisors (see below), whose sum is σ = 25468992000000. Its totient is φ = 5441753116800.

The previous prime is 12211101201107. The next prime is 12211101201217. The reversal of 12211101201112 is 21110210111221.

It is a super-2 number, since 2×12211101201112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5283902437 + ... + 5283904747.

It is an arithmetic number, because the mean of its divisors is an integer number (198976500000).

Almost surely, 2^{12211101201112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211101201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12734496000000).

12211101201112 is an abundant number, since it is smaller than the sum of its proper divisors (13257890798888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211101201112 is a wasteful number, since it uses less digits than its factorization.

12211101201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12211101201112 its reverse (21110210111221), we get a palindrome (33321311312333).

The spelling of 12211101201112 in words is "twelve trillion, two hundred eleven billion, one hundred one million, two hundred one thousand, one hundred twelve".