22122020012 has 24 divisors (see below), whose sum is σ = 39508556976. Its totient is φ = 10834544448.

The previous prime is 22122019961. The next prime is 22122020027. The reversal of 22122020012 is 21002022122.

It is a super-3 number, since 3×22122020012³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44843 + ... + 215069.

It is an arithmetic number, because the mean of its divisors is an integer number (1646189874).

Almost surely, 2^22122020012 is an apocalyptic number.

It is an amenable number.

22122020012 is a deficient number, since it is larger than the sum of its proper divisors (17386536964).

22122020012 is a wasteful number, since it uses less digits than its factorization.

22122020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170897 (or 170895 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22122020012 its reverse (21002022122), we get a palindrome (43124042134).

The spelling of 22122020012 in words is "twenty-two billion, one hundred twenty-two million, twenty thousand, twelve".