1012210223223 has 4 divisors (see below), whose sum is σ = 1349613630968. Its totient is φ = 674806815480.

The previous prime is 1012210223209. The next prime is 1012210223251. The reversal of 1012210223223 is 3223220122101.

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

It is not a de Polignac number, because 1012210223223 - 2⁶ = 1012210223159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012210223223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012210223293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168701703868 + ... + 168701703873.

It is an arithmetic number, because the mean of its divisors is an integer number (337403407742).

Almost surely, 2^{1012210223223} is an apocalyptic number.

1012210223223 is a deficient number, since it is larger than the sum of its proper divisors (337403407745).

1012210223223 is an equidigital number, since it uses as much as digits as its factorization.

1012210223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337403407744.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1012210223223 its reverse (3223220122101), we get a palindrome (4235430345324).

The spelling of 1012210223223 in words is "one trillion, twelve billion, two hundred ten million, two hundred twenty-three thousand, two hundred twenty-three".