1210000223 has 4 divisors (see below), whose sum is σ = 1210696968. Its totient is φ = 1209303480.

The previous prime is 1210000219. The next prime is 1210000249. The reversal of 1210000223 is 3220000121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220000121 = 13 ⋅247692317.

It is a cyclic number.

It is not a de Polignac number, because 1210000223 - 2² = 1210000219 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 (1210000523) 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, 345761 + ... + 349242.

It is an arithmetic number, because the mean of its divisors is an integer number (302674242).

Almost surely, 2^1210000223 is an apocalyptic number.

1210000223 is a deficient number, since it is larger than the sum of its proper divisors (696745).

1210000223 is an equidigital number, since it uses as much as digits as its factorization.

1210000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696744.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1210000223 is about 34785.0574672517. The cubic root of 1210000223 is about 1065.6023022292.

Adding to 1210000223 its reverse (3220000121), we get a palindrome (4430000344).

The spelling of 1210000223 in words is "one billion, two hundred ten million, two hundred twenty-three", and thus it is an aban number.