22122233203212 has 18 divisors (see below), whose sum is σ = 55920089485988. Its totient is φ = 7374077734392.

The previous prime is 22122233203207. The next prime is 22122233203261. The reversal of 22122233203212 is 21230233222122.

22122233203212 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 2 + 2 + 332 + 0 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307253238898 + ... + 307253238969.

Almost surely, 2^{22122233203212} is an apocalyptic number.

It is an amenable number.

22122233203212 is an abundant number, since it is smaller than the sum of its proper divisors (33797856282776).

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

22122233203212 is a wasteful number, since it uses less digits than its factorization.

22122233203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614506477877 (or 614506477872 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22122233203212 its reverse (21230233222122), we get a palindrome (43352466425334).

The spelling of 22122233203212 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred thirty-three million, two hundred three thousand, two hundred twelve".