22122012022012 has 24 divisors (see below), whose sum is σ = 44321509232000. Its totient is φ = 9464258326320.

The previous prime is 22122012022001. The next prime is 22122012022139. The reversal of 22122012022012 is 21022021022122.

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, 691815762 + ... + 691847737.

Almost surely, 2^{22122012022012} is an apocalyptic number.

It is an amenable number.

22122012022012 is an abundant number, since it is smaller than the sum of its proper divisors (22199497209988).

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

22122012022012 is a wasteful number, since it uses less digits than its factorization.

22122012022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383664081 (or 1383664079 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122012022012 its reverse (21022021022122), we get a palindrome (43144033044134).

The spelling of 22122012022012 in words is "twenty-two trillion, one hundred twenty-two billion, twelve million, twenty-two thousand, twelve".