3122224222212 has 30 divisors (see below), whose sum is σ = 8162110853358. Its totient is φ = 1040741407296.

The previous prime is 3122224222193. The next prime is 3122224222213. The reversal of 3122224222212 is 2122224222213.

3122224222212 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 22 + 422 + 2 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2809089969156 + 313134253056 = 1676034^2 + 559584^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3122224222213) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 4818246933 + ... + 4818247580.

Almost surely, 2^{3122224222212} is an apocalyptic number.

It is an amenable number.

3122224222212 is an abundant number, since it is smaller than the sum of its proper divisors (5039886631146).

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

3122224222212 is a wasteful number, since it uses less digits than its factorization.

3122224222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636494529 (or 9636494518 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 3122224222212 its reverse (2122224222213), we get a palindrome (5244448444425).

Subtracting from 3122224222212 its reverse (2122224222213), we obtain a palindrome (999999999999).

The spelling of 3122224222212 in words is "three trillion, one hundred twenty-two billion, two hundred twenty-four million, two hundred twenty-two thousand, two hundred twelve".