22202202212012 has 24 divisors (see below), whose sum is σ = 39655037904720. Its totient is φ = 10873549897920.

The previous prime is 22202202212011. The next prime is 22202202212137. The reversal of 22202202212012 is 21021220220222.

It is not an unprimeable number, because it can be changed into a prime (22202202212011) 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, 169748939 + ... + 169879682.

It is an arithmetic number, because the mean of its divisors is an integer number (1652293246030).

Almost surely, 2^{22202202212012} is an apocalyptic number.

It is an amenable number.

22202202212012 is a deficient number, since it is larger than the sum of its proper divisors (17452835692708).

22202202212012 is a wasteful number, since it uses less digits than its factorization.

22202202212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339628961 (or 339628959 counting only the distinct ones).

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

Adding to 22202202212012 its reverse (21021220220222), we get a palindrome (43223422432234).

The spelling of 22202202212012 in words is "twenty-two trillion, two hundred two billion, two hundred two million, two hundred twelve thousand, twelve".