22220202212012 has 48 divisors (see below), whose sum is σ = 46780135261440. Its totient is φ = 9021589244352.

The previous prime is 22220202212011. The next prime is 22220202212041. The reversal of 22220202212012 is 21021220202222.

It is not an unprimeable number, because it can be changed into a prime (22220202212011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35983163 + ... + 36595469.

It is an arithmetic number, because the mean of its divisors is an integer number (974586151280).

Almost surely, 2^{22220202212012} is an apocalyptic number.

It is an amenable number.

22220202212012 is an abundant number, since it is smaller than the sum of its proper divisors (24559933049428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220202212012 is a wasteful number, since it uses less digits than its factorization.

22220202212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680550 (or 680548 counting only the distinct ones).

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

Adding to 22220202212012 its reverse (21021220202222), we get a palindrome (43241422414234).

The spelling of 22220202212012 in words is "twenty-two trillion, two hundred twenty billion, two hundred two million, two hundred twelve thousand, twelve".