12212100201112 has 128 divisors (see below), whose sum is σ = 27642691238400. Its totient is φ = 4940938828800.

The previous prime is 12212100201101. The next prime is 12212100201113. The reversal of 12212100201112 is 21110200121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212100201113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356426062 + ... + 356460322.

It is an arithmetic number, because the mean of its divisors is an integer number (215958525300).

Almost surely, 2^{12212100201112} 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 12212100201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13821345619200).

12212100201112 is an abundant number, since it is smaller than the sum of its proper divisors (15430591037288).

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

12212100201112 is a wasteful number, since it uses less digits than its factorization.

12212100201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35457 (or 35453 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212100201112 its reverse (21110200121221), we get a palindrome (33322300322333).

The spelling of 12212100201112 in words is "twelve trillion, two hundred twelve billion, one hundred million, two hundred one thousand, one hundred twelve".