12001111100202 has 96 divisors (see below), whose sum is σ = 28523730984192. Its totient is φ = 3354908046336.

The previous prime is 12001111100189. The next prime is 12001111100203. The reversal of 12001111100202 is 20200111110021.

It is not an unprimeable number, because it can be changed into a prime (12001111100203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45647958 + ... + 45910110.

It is an arithmetic number, because the mean of its divisors is an integer number (297122197752).

Almost surely, 2^{12001111100202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12001111100202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14261865492096).

12001111100202 is an abundant number, since it is smaller than the sum of its proper divisors (16522619883990).

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

12001111100202 is a wasteful number, since it uses less digits than its factorization.

12001111100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265532 (or 265525 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12001111100202 its reverse (20200111110021), we get a palindrome (32201222210223).

The spelling of 12001111100202 in words is "twelve trillion, one billion, one hundred eleven million, one hundred thousand, two hundred two".