2222212313212 has 12 divisors (see below), whose sum is σ = 3906003142440. Its totient is φ = 1106211415376.

The previous prime is 2222212313201. The next prime is 2222212313267. The reversal of 2222212313212 is 2123132122222.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1223684287 + ... + 1223686102.

It is an arithmetic number, because the mean of its divisors is an integer number (325500261870).

Almost surely, 2^{2222212313212} is an apocalyptic number.

It is an amenable number.

2222212313212 is a deficient number, since it is larger than the sum of its proper divisors (1683790829228).

2222212313212 is a wasteful number, since it uses less digits than its factorization.

2222212313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447370620 (or 2447370618 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 2222212313212 its reverse (2123132122222), we get a palindrome (4345344435434).

The spelling of 2222212313212 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, three hundred thirteen thousand, two hundred twelve".