12220101222 has 32 divisors (see below), whose sum is σ = 28686573312. Its totient is φ = 3397093344.

The previous prime is 12220101221. The next prime is 12220101233. The reversal of 12220101222 is 22210102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220101221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3930268 + ... + 3933375.

It is an arithmetic number, because the mean of its divisors is an integer number (896455416).

Almost surely, 2^12220101222 is an apocalyptic number.

12220101222 is an abundant number, since it is smaller than the sum of its proper divisors (16466472090).

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

12220101222 is a wasteful number, since it uses less digits than its factorization.

12220101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863692.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220101222 its reverse (22210102221), we get a palindrome (34430203443).

Subtracting 12220101222 from its reverse (22210102221), we obtain a palindrome (9990000999).

The spelling of 12220101222 in words is "twelve billion, two hundred twenty million, one hundred one thousand, two hundred twenty-two".