1220212 has 12 divisors (see below), whose sum is σ = 2440480. Its totient is φ = 522936.

The previous prime is 1220203. The next prime is 1220239. The reversal of 1220212 is 2120221.

1220212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21762 + ... + 21817.

2^1220212 is an apocalyptic number.

It is an amenable number.

1220212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220212 is a wasteful number, since it uses less digits than its factorization.

1220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43590 (or 43588 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220212 is about 1104.6320654408. The cubic root of 1220212 is about 106.8591619543.

Adding to 1220212 its reverse (2120221), we get a palindrome (3340433).

Subtracting 1220212 from its reverse (2120221), we obtain a palindrome (900009).

The spelling of 1220212 in words is "one million, two hundred twenty thousand, two hundred twelve".