1210210223 has 4 divisors (see below), whose sum is σ = 1251941640. Its totient is φ = 1168478808.

The previous prime is 1210210219. The next prime is 1210210231. The reversal of 1210210223 is 3220120121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210210223 - 2² = 1210210219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210210198 and 1210210207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210210273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20865665 + ... + 20865722.

It is an arithmetic number, because the mean of its divisors is an integer number (312985410).

Almost surely, 2^1210210223 is an apocalyptic number.

1210210223 is a deficient number, since it is larger than the sum of its proper divisors (41731417).

1210210223 is an equidigital number, since it uses as much as digits as its factorization.

1210210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41731416.

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

The square root of 1210210223 is about 34788.0758737818. The cubic root of 1210210223 is about 1065.6639450661.

Adding to 1210210223 its reverse (3220120121), we get a palindrome (4430330344).

The spelling of 1210210223 in words is "one billion, two hundred ten million, two hundred ten thousand, two hundred twenty-three".