212220001200212 has 12 divisors (see below), whose sum is σ = 375557867293140. Its totient is φ = 104917753402176.

The previous prime is 212220001200197. The next prime is 212220001200241. The reversal of 212220001200212 is 212002100022212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98637353909956 + 113582647290256 = 9931634^2 + 10657516^2 .

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, 298061799083 + ... + 298061799794.

It is an arithmetic number, because the mean of its divisors is an integer number (31296488941095).

Almost surely, 2^{212220001200212} is an apocalyptic number.

It is an amenable number.

212220001200212 is a deficient number, since it is larger than the sum of its proper divisors (163337866092928).

212220001200212 is a wasteful number, since it uses less digits than its factorization.

212220001200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596123598970 (or 596123598968 counting only the distinct ones).

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

Adding to 212220001200212 its reverse (212002100022212), we get a palindrome (424222101222424).

The spelling of 212220001200212 in words is "two hundred twelve trillion, two hundred twenty billion, one million, two hundred thousand, two hundred twelve".