22200021020212 has 24 divisors (see below), whose sum is σ = 44400626815104. Its totient is φ = 9514169414112.

The previous prime is 22200021020209. The next prime is 22200021020249. The reversal of 22200021020212 is 21202012000222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041323 + ... + 7324594.

It is an arithmetic number, because the mean of its divisors is an integer number (1850026117296).

Almost surely, 2^{22200021020212} is an apocalyptic number.

It is an amenable number.

22200021020212 is an abundant number, since it is smaller than the sum of its proper divisors (22200605794892).

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

22200021020212 is a wasteful number, since it uses less digits than its factorization.

22200021020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10442415 (or 10442413 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22200021020212 its reverse (21202012000222), we get a palindrome (43402033020434).

The spelling of 22200021020212 in words is "twenty-two trillion, two hundred billion, twenty-one million, twenty thousand, two hundred twelve".