1210203220223 has 4 divisors (see below), whose sum is σ = 1281391644960. Its totient is φ = 1139014795488.

The previous prime is 1210203220207. The next prime is 1210203220231. The reversal of 1210203220223 is 3220223020121.

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 1210203220223 - 2⁴ = 1210203220207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210203220195 and 1210203220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210203220253) 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, 35594212343 + ... + 35594212376.

It is an arithmetic number, because the mean of its divisors is an integer number (320347911240).

Almost surely, 2^{1210203220223} is an apocalyptic number.

1210203220223 is a deficient number, since it is larger than the sum of its proper divisors (71188424737).

1210203220223 is an equidigital number, since it uses as much as digits as its factorization.

1210203220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71188424736.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1210203220223 its reverse (3220223020121), we get a palindrome (4430426240344).

The spelling of 1210203220223 in words is "one trillion, two hundred ten billion, two hundred three million, two hundred twenty thousand, two hundred twenty-three".