22122311103212 has 24 divisors (see below), whose sum is σ = 40994024539104. Its totient is φ = 10409817850112.

The previous prime is 22122311103103. The next prime is 22122311103223. The reversal of 22122311103212 is 21230111322122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9601163 + ... + 11680194.

It is an arithmetic number, because the mean of its divisors is an integer number (1708084355796).

Almost surely, 2^{22122311103212} is an apocalyptic number.

It is an amenable number.

22122311103212 is a deficient number, since it is larger than the sum of its proper divisors (18871713435892).

22122311103212 is a wasteful number, since it uses less digits than its factorization.

22122311103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21296665 (or 21296663 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22122311103212 its reverse (21230111322122), we get a palindrome (43352422425334).

The spelling of 22122311103212 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred eleven million, one hundred three thousand, two hundred twelve".