22220120212012 has 6 divisors (see below), whose sum is σ = 38885210371028. Its totient is φ = 11110060106004.

The previous prime is 22220120211973. The next prime is 22220120212019. The reversal of 22220120212012 is 21021202102222.

It is not an unprimeable number, because it can be changed into a prime (22220120212019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777515026498 + ... + 2777515026505.

Almost surely, 2^{22220120212012} is an apocalyptic number.

It is an amenable number.

22220120212012 is a deficient number, since it is larger than the sum of its proper divisors (16665090159016).

22220120212012 is a wasteful number, since it uses less digits than its factorization.

22220120212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555030053007 (or 5555030053005 counting only the distinct ones).

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

Adding to 22220120212012 its reverse (21021202102222), we get a palindrome (43241322314234).

The spelling of 22220120212012 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty million, two hundred twelve thousand, twelve".