22210122012 has 24 divisors (see below), whose sum is σ = 55810050576. Its totient is φ = 6833883648.

The previous prime is 22210122001. The next prime is 22210122041. The reversal of 22210122012 is 21022101222.

It is a junction number, because it is equal to n+sod(n) for n = 22210121982 and 22210122000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71186133 + ... + 71186444.

It is an arithmetic number, because the mean of its divisors is an integer number (2325418774).

Almost surely, 2^22210122012 is an apocalyptic number.

It is an amenable number.

22210122012 is an abundant number, since it is smaller than the sum of its proper divisors (33599928564).

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

22210122012 is a wasteful number, since it uses less digits than its factorization.

22210122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142372597 (or 142372595 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22210122012 its reverse (21022101222), we get a palindrome (43232223234).

The spelling of 22210122012 in words is "twenty-two billion, two hundred ten million, one hundred twenty-two thousand, twelve".