2012122211222 has 16 divisors (see below), whose sum is σ = 3023493523200. Its totient is φ = 1004291339688.

The previous prime is 2012122211161. The next prime is 2012122211257. The reversal of 2012122211222 is 2221122212102.

It is a junction number, because it is equal to n+sod(n) for n = 2012122211194 and 2012122211203.

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 7 ways as a sum of consecutive naturals, for example, 14434823 + ... + 14573549.

It is an arithmetic number, because the mean of its divisors is an integer number (188968345200).

Almost surely, 2^{2012122211222} is an apocalyptic number.

2012122211222 is a deficient number, since it is larger than the sum of its proper divisors (1011371311978).

2012122211222 is a wasteful number, since it uses less digits than its factorization.

2012122211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151435.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2012122211222 its reverse (2221122212102), we get a palindrome (4233244423324).

The spelling of 2012122211222 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".