2012220221122 has 16 divisors (see below), whose sum is σ = 3045547182240. Its totient is φ = 997040786112.

The previous prime is 2012220221119. The next prime is 2012220221129. The reversal of 2012220221122 is 2211220222102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012220221122.

It is not an unprimeable number, because it can be changed into a prime (2012220221129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629029 + ... + 2102407.

It is an arithmetic number, because the mean of its divisors is an integer number (190346698890).

Almost surely, 2^{2012220221122} is an apocalyptic number.

2012220221122 is a deficient number, since it is larger than the sum of its proper divisors (1033326961118).

2012220221122 is a wasteful number, since it uses less digits than its factorization.

2012220221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479537.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2012220221122 its reverse (2211220222102), we get a palindrome (4223440443224).

The spelling of 2012220221122 in words is "two trillion, twelve billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".