12111201222 has 8 divisors (see below), whose sum is σ = 24222402456. Its totient is φ = 4037067072.

The previous prime is 12111201209. The next prime is 12111201253. The reversal of 12111201222 is 22210211121.

It is a sphenic number, since it is the product of 3 distinct primes.

12111201222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009266763 + ... + 1009266774.

It is an arithmetic number, because the mean of its divisors is an integer number (3027800307).

Almost surely, 2^12111201222 is an apocalyptic number.

12111201222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12111201222 is a wasteful number, since it uses less digits than its factorization.

12111201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018533542.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12111201222 its reverse (22210211121), we get a palindrome (34321412343).

The spelling of 12111201222 in words is "twelve billion, one hundred eleven million, two hundred one thousand, two hundred twenty-two".