1210216 has 16 divisors (see below), whose sum is σ = 2593440. Its totient is φ = 518640.

The previous prime is 1210211. The next prime is 1210229. The reversal of 1210216 is 6120121.

It is a junction number, because it is equal to n+sod(n) for n = 1210196 and 1210205.

It is not an unprimeable number, because it can be changed into a prime (1210211) by changing a digit.

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, 10750 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (162090).

2^1210216 is an apocalyptic number.

It is an amenable number.

1210216 is an abundant number, since it is smaller than the sum of its proper divisors (1383224).

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

1210216 is a wasteful number, since it uses less digits than its factorization.

1210216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21624 (or 21620 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1210216 is about 1100.0981774369. The cubic root of 1210216 is about 106.5665640730.

Adding to 1210216 its reverse (6120121), we get a palindrome (7330337).

The spelling of 1210216 in words is "one million, two hundred ten thousand, two hundred sixteen".