1213321422223 has 8 divisors (see below), whose sum is σ = 1267953907968. Its totient is φ = 1159889650584.

The previous prime is 1213321422217. The next prime is 1213321422233. The reversal of 1213321422223 is 3222241233121.

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 1213321422223 - 2⁵ = 1213321422191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213321422191 and 1213321422200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213321422233) 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, 300176461 + ... + 300180502.

It is an arithmetic number, because the mean of its divisors is an integer number (158494238496).

Almost surely, 2^{1213321422223} is an apocalyptic number.

1213321422223 is a deficient number, since it is larger than the sum of its proper divisors (54632485745).

1213321422223 is an equidigital number, since it uses as much as digits as its factorization.

1213321422223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600357053.

The product of its digits is 6912, while the sum is 28.

Adding to 1213321422223 its reverse (3222241233121), we get a palindrome (4435562655344).

The spelling of 1213321422223 in words is "one trillion, two hundred thirteen billion, three hundred twenty-one million, four hundred twenty-two thousand, two hundred twenty-three".