22212112130 has 16 divisors (see below), whose sum is σ = 43057325304. Its totient is φ = 8201395200.

The previous prime is 22212112123. The next prime is 22212112133. The reversal of 22212112130 is 3121121222.

It can be written as a sum of positive squares in 4 ways, for example, as 18712324849 + 3499787281 = 136793^2 + 59159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22212112099 and 22212112108.

It is not an unprimeable number, because it can be changed into a prime (22212112133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85431071 + ... + 85431330.

Almost surely, 2^22212112130 is an apocalyptic number.

22212112130 is a deficient number, since it is larger than the sum of its proper divisors (20845213174).

22212112130 is a wasteful number, since it uses less digits than its factorization.

22212112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170862421.

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

Adding to 22212112130 its reverse (3121121222), we get a palindrome (25333233352).

The spelling of 22212112130 in words is "twenty-two billion, two hundred twelve million, one hundred twelve thousand, one hundred thirty".