1223211302347 has 2 divisors, whose sum is σ = 1223211302348. Its totient is φ = 1223211302346.

The previous prime is 1223211302329. The next prime is 1223211302387. The reversal of 1223211302347 is 7432031123221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223211302347 - 2⁷ = 1223211302219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223211302387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611605651173 + 611605651174.

It is an arithmetic number, because the mean of its divisors is an integer number (611605651174).

Almost surely, 2^{1223211302347} is an apocalyptic number.

1223211302347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223211302347 is an equidigital number, since it uses as much as digits as its factorization.

1223211302347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 1223211302347 its reverse (7432031123221), we get a palindrome (8655242425568).

The spelling of 1223211302347 in words is "one trillion, two hundred twenty-three billion, two hundred eleven million, three hundred two thousand, three hundred forty-seven".