22123101212 has 48 divisors (see below), whose sum is σ = 41619916800. Its totient is φ = 10257399360.

The previous prime is 22123101199. The next prime is 22123101227. The reversal of 22123101212 is 21210132122.

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 15 ways as a sum of consecutive naturals, for example, 1762037 + ... + 1774547.

It is an arithmetic number, because the mean of its divisors is an integer number (867081600).

Almost surely, 2^22123101212 is an apocalyptic number.

It is an amenable number.

22123101212 is a deficient number, since it is larger than the sum of its proper divisors (19496815588).

22123101212 is a wasteful number, since it uses less digits than its factorization.

22123101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13026 (or 13024 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22123101212 its reverse (21210132122), we get a palindrome (43333233334).

The spelling of 22123101212 in words is "twenty-two billion, one hundred twenty-three million, one hundred one thousand, two hundred twelve".