12001101222 has 16 divisors (see below), whose sum is σ = 26184220992. Its totient is φ = 3636697320.

The previous prime is 12001101191. The next prime is 12001101247. The reversal of 12001101222 is 22210110021.

It is a junction number, because it is equal to n+sod(n) for n = 12001101198 and 12001101207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90917368 + ... + 90917499.

It is an arithmetic number, because the mean of its divisors is an integer number (1636513812).

Almost surely, 2^12001101222 is an apocalyptic number.

12001101222 is an abundant number, since it is smaller than the sum of its proper divisors (14183119770).

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

12001101222 is a wasteful number, since it uses less digits than its factorization.

12001101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181834883.

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

Adding to 12001101222 its reverse (22210110021), we get a palindrome (34211211243).

The spelling of 12001101222 in words is "twelve billion, one million, one hundred one thousand, two hundred twenty-two".