2211212222212 has 24 divisors (see below), whose sum is σ = 4494923209280. Its totient is φ = 932126931360.

The previous prime is 2211212222203. The next prime is 2211212222221. The reversal of 2211212222212 is 2122222121122.

It is an interprime number because it is at equal distance from previous prime (2211212222203) and next prime (2211212222221).

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 647308662 + ... + 647312077.

Almost surely, 2^{2211212222212} is an apocalyptic number.

It is an amenable number.

2211212222212 is an abundant number, since it is smaller than the sum of its proper divisors (2283710987068).

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

2211212222212 is a wasteful number, since it uses less digits than its factorization.

2211212222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294620811 (or 1294620809 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

Adding to 2211212222212 its reverse (2122222121122), we get a palindrome (4333434343334).

The spelling of 2211212222212 in words is "two trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twelve".