12220201220222 has 24 divisors (see below), whose sum is σ = 18957106821888. Its totient is φ = 5907871157760.

The previous prime is 12220201220219. The next prime is 12220201220231. The reversal of 12220201220222 is 22202210202221.

It is a junction number, because it is equal to n+sod(n) for n = 12220201220194 and 12220201220203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541118 + ... + 4973249.

It is an arithmetic number, because the mean of its divisors is an integer number (789879450912).

Almost surely, 2^{12220201220222} is an apocalyptic number.

12220201220222 is a deficient number, since it is larger than the sum of its proper divisors (6736905601666).

12220201220222 is a wasteful number, since it uses less digits than its factorization.

12220201220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515584 (or 5515553 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12220201220222 its reverse (22202210202221), we get a palindrome (34422411422443).

The spelling of 12220201220222 in words is "twelve trillion, two hundred twenty billion, two hundred one million, two hundred twenty thousand, two hundred twenty-two".