1210220213 has 8 divisors (see below), whose sum is σ = 1238580960. Its totient is φ = 1182121200.

The previous prime is 1210220159. The next prime is 1210220227. The reversal of 1210220213 is 3120220121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210220213 - 2¹⁰ = 1210219189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210220243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56063 + ... + 74588.

It is an arithmetic number, because the mean of its divisors is an integer number (154822620).

Almost surely, 2^1210220213 is an apocalyptic number.

It is an amenable number.

1210220213 is a deficient number, since it is larger than the sum of its proper divisors (28360747).

1210220213 is a wasteful number, since it uses less digits than its factorization.

1210220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130867.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1210220213 is about 34788.2194571668. The cubic root of 1210220213 is about 1065.6668773262. Note that the first 3 decimals are identical.

Adding to 1210220213 its reverse (3120220121), we get a palindrome (4330440334).

The spelling of 1210220213 in words is "one billion, two hundred ten million, two hundred twenty thousand, two hundred thirteen".