22002212221012 has 12 divisors (see below), whose sum is σ = 39046179434976. Its totient is φ = 10846160953880.

The previous prime is 22002212220959. The next prime is 22002212221021. The reversal of 22002212221012 is 21012221220022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38736288838 + ... + 38736289405.

It is an arithmetic number, because the mean of its divisors is an integer number (3253848286248).

Almost surely, 2^{22002212221012} is an apocalyptic number.

It is an amenable number.

22002212221012 is a deficient number, since it is larger than the sum of its proper divisors (17043967213964).

22002212221012 is a wasteful number, since it uses less digits than its factorization.

22002212221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77472578318 (or 77472578316 counting only the distinct ones).

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

Adding to 22002212221012 its reverse (21012221220022), we get a palindrome (43014433441034).

The spelling of 22002212221012 in words is "twenty-two trillion, two billion, two hundred twelve million, two hundred twenty-one thousand, twelve".