2012220221222 has 32 divisors (see below), whose sum is σ = 3204628624512. Its totient is φ = 944337106944.

The previous prime is 2012220221183. The next prime is 2012220221299. The reversal of 2012220221222 is 2221220222102.

It is a junction number, because it is equal to n+sod(n) for n = 2012220221194 and 2012220221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27937568 + ... + 28009500.

It is an arithmetic number, because the mean of its divisors is an integer number (100144644516).

Almost surely, 2^{2012220221222} is an apocalyptic number.

2012220221222 is a deficient number, since it is larger than the sum of its proper divisors (1192408403290).

2012220221222 is a wasteful number, since it uses less digits than its factorization.

2012220221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74192.

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

Adding to 2012220221222 its reverse (2221220222102), we get a palindrome (4233440443324).

The spelling of 2012220221222 in words is "two trillion, twelve billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".