22312130212 has 24 divisors (see below), whose sum is σ = 39557893760. Its totient is φ = 11009999520.

The previous prime is 22312130153. The next prime is 22312130213. The reversal of 22312130212 is 21203121322.

It is a super-3 number, since 3×22312130212³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22312130212.

It is not an unprimeable number, because it can be changed into a prime (22312130213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765262 + ... + 793882.

Almost surely, 2^22312130212 is an apocalyptic number.

It is an amenable number.

22312130212 is a deficient number, since it is larger than the sum of its proper divisors (17245763548).

22312130212 is a wasteful number, since it uses less digits than its factorization.

22312130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31171 (or 31169 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22312130212 its reverse (21203121322), we get a palindrome (43515251534).

The spelling of 22312130212 in words is "twenty-two billion, three hundred twelve million, one hundred thirty thousand, two hundred twelve".