212222002112 has 28 divisors (see below), whose sum is σ = 421602926160. Its totient is φ = 105991343616.

The previous prime is 212222002051. The next prime is 212222002129. The reversal of 212222002112 is 211200222212.

It is a happy number.

It is a super-3 number, since 3×212222002112³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1812437 + ... + 1925972.

Almost surely, 2^212222002112 is an apocalyptic number.

It is an amenable number.

212222002112 is a deficient number, since it is larger than the sum of its proper divisors (209380924048).

212222002112 is an equidigital number, since it uses as much as digits as its factorization.

212222002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739308 (or 3739298 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212222002112 its reverse (211200222212), we get a palindrome (423422224324).

The spelling of 212222002112 in words is "two hundred twelve billion, two hundred twenty-two million, two thousand, one hundred twelve".