1210220313223 has 2 divisors, whose sum is σ = 1210220313224. Its totient is φ = 1210220313222.

The previous prime is 1210220313199. The next prime is 1210220313251. The reversal of 1210220313223 is 3223130220121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210220313223 - 2¹³ = 1210220305031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210220313194 and 1210220313203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210220319223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605110156611 + 605110156612.

It is an arithmetic number, because the mean of its divisors is an integer number (605110156612).

Almost surely, 2^{1210220313223} is an apocalyptic number.

1210220313223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210220313223 is an equidigital number, since it uses as much as digits as its factorization.

1210220313223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1210220313223 its reverse (3223130220121), we get a palindrome (4433350533344).

The spelling of 1210220313223 in words is "one trillion, two hundred ten billion, two hundred twenty million, three hundred thirteen thousand, two hundred twenty-three".