22010122012 has 12 divisors (see below), whose sum is σ = 38522450736. Its totient is φ = 11003707520.

The previous prime is 22010122009. The next prime is 22010122061. The reversal of 22010122012 is 21022101022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22010121983 and 22010122001.

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, 301333 + ... + 367180.

It is an arithmetic number, because the mean of its divisors is an integer number (3210204228).

Almost surely, 2^22010122012 is an apocalyptic number.

It is an amenable number.

22010122012 is a deficient number, since it is larger than the sum of its proper divisors (16512328724).

22010122012 is a wasteful number, since it uses less digits than its factorization.

22010122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676748 (or 676746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22010122012 its reverse (21022101022), we get a palindrome (43032223034).

The spelling of 22010122012 in words is "twenty-two billion, ten million, one hundred twenty-two thousand, twelve".