212002222112 has 12 divisors (see below), whose sum is σ = 417379374846. Its totient is φ = 106001111040.

The previous prime is 212002222109. The next prime is 212002222121. The reversal of 212002222112 is 211222200212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 202539601936 + 9462620176 = 450044^2 + 97276^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312534689 + ... + 3312534752.

Almost surely, 2^212002222112 is an apocalyptic number.

It is an amenable number.

212002222112 is a deficient number, since it is larger than the sum of its proper divisors (205377152734).

212002222112 is an equidigital number, since it uses as much as digits as its factorization.

212002222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625069451 (or 6625069443 counting only the distinct ones).

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

Adding to 212002222112 its reverse (211222200212), we get a palindrome (423224422324).

The spelling of 212002222112 in words is "two hundred twelve billion, two million, two hundred twenty-two thousand, one hundred twelve".