22030122012 has 12 divisors (see below), whose sum is σ = 51403618056. Its totient is φ = 7343374000.

The previous prime is 22030121963. The next prime is 22030122043. The reversal of 22030122012 is 21022103022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22030121982 and 22030122000.

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, 917921739 + ... + 917921762.

It is an arithmetic number, because the mean of its divisors is an integer number (4283634838).

Almost surely, 2^22030122012 is an apocalyptic number.

It is an amenable number.

22030122012 is an abundant number, since it is smaller than the sum of its proper divisors (29373496044).

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

22030122012 is a wasteful number, since it uses less digits than its factorization.

22030122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835843508 (or 1835843506 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22030122012 its reverse (21022103022), we get a palindrome (43052225034).

The spelling of 22030122012 in words is "twenty-two billion, thirty million, one hundred twenty-two thousand, twelve".