12220221122222 has 16 divisors (see below), whose sum is σ = 18947099308032. Its totient is φ = 5905051907160.

The previous prime is 12220221122203. The next prime is 12220221122261. The reversal of 12220221122222 is 22222112202221.

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, 132592118 + ... + 132684249.

It is an arithmetic number, because the mean of its divisors is an integer number (1184193706752).

Almost surely, 2^{12220221122222} is an apocalyptic number.

12220221122222 is a deficient number, since it is larger than the sum of its proper divisors (6726878185810).

12220221122222 is a wasteful number, since it uses less digits than its factorization.

12220221122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265277143.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12220221122222 its reverse (22222112202221), we get a palindrome (34442333324443).

The spelling of 12220221122222 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".