2212222222012 has 24 divisors (see below), whose sum is σ = 4225334141952. Its totient is φ = 1005079172400.

The previous prime is 2212222221949. The next prime is 2212222222019. The reversal of 2212222222012 is 2102222222122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212222222019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11815638 + ... + 12001405.

It is an arithmetic number, because the mean of its divisors is an integer number (176055589248).

Almost surely, 2^{2212222222012} is an apocalyptic number.

2212222222012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2212222222012 is a deficient number, since it is larger than the sum of its proper divisors (2013111919940).

2212222222012 is a wasteful number, since it uses less digits than its factorization.

2212222222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23819169 (or 23819167 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2212222222012 its reverse (2102222222122), we get a palindrome (4314444444134).

The spelling of 2212222222012 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, twelve".