12011102202 has 64 divisors (see below), whose sum is σ = 27686707200. Its totient is φ = 3439423680.

The previous prime is 12011102189. The next prime is 12011102221. The reversal of 12011102202 is 20220111021.

It is a super-2 number, since 2×12011102202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23199 + ... + 156717.

It is an arithmetic number, because the mean of its divisors is an integer number (432604800).

Almost surely, 2^12011102202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011102202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13843353600).

12011102202 is an abundant number, since it is smaller than the sum of its proper divisors (15675604998).

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

12011102202 is a wasteful number, since it uses less digits than its factorization.

12011102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133611.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12011102202 its reverse (20220111021), we get a palindrome (32231213223).

The spelling of 12011102202 in words is "twelve billion, eleven million, one hundred two thousand, two hundred two".