12201111222 has 16 divisors (see below), whose sum is σ = 24580342512. Its totient is φ = 4037350400.

The previous prime is 12201111203. The next prime is 12201111253. The reversal of 12201111222 is 22211110221.

It is a super-2 number, since 2×12201111222² (a number of 21 digits) contains 22 as substring.

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, 7420779 + ... + 7422422.

It is an arithmetic number, because the mean of its divisors is an integer number (1536271407).

Almost surely, 2^12201111222 is an apocalyptic number.

12201111222 is an abundant number, since it is smaller than the sum of its proper divisors (12379231290).

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

12201111222 is a wasteful number, since it uses less digits than its factorization.

12201111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14843343.

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

Adding to 12201111222 its reverse (22211110221), we get a palindrome (34412221443).

The spelling of 12201111222 in words is "twelve billion, two hundred one million, one hundred eleven thousand, two hundred twenty-two".