1222212323443 has 2 divisors, whose sum is σ = 1222212323444. Its totient is φ = 1222212323442.

The previous prime is 1222212323441. The next prime is 1222212323483. The reversal of 1222212323443 is 3443232122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222212323443 - 2¹ = 1222212323441 is a prime.

Together with 1222212323441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1222212323441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611106161721 + 611106161722.

It is an arithmetic number, because the mean of its divisors is an integer number (611106161722).

Almost surely, 2^{1222212323443} is an apocalyptic number.

1222212323443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222212323443 is an equidigital number, since it uses as much as digits as its factorization.

1222212323443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 31.

Adding to 1222212323443 its reverse (3443232122221), we get a palindrome (4665444445664).

The spelling of 1222212323443 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, three hundred twenty-three thousand, four hundred forty-three".