2212222122212 has 12 divisors (see below), whose sum is σ = 3871769714736. Its totient is φ = 1106002203720.

The previous prime is 2212222122193. The next prime is 2212222122287. The reversal of 2212222122212 is 2122212222122.

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

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, 27168614 + ... + 27249917.

It is an arithmetic number, because the mean of its divisors is an integer number (322647476228).

Almost surely, 2^{2212222122212} is an apocalyptic number.

It is an amenable number.

2212222122212 is a deficient number, since it is larger than the sum of its proper divisors (1659547592524).

2212222122212 is a wasteful number, since it uses less digits than its factorization.

2212222122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54428698 (or 54428696 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

Adding to 2212222122212 its reverse (2122212222122), we get a palindrome (4334434344334).

The spelling of 2212222122212 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".