1222404001043 has 2 divisors, whose sum is σ = 1222404001044. Its totient is φ = 1222404001042.

The previous prime is 1222404001009. The next prime is 1222404001051. The reversal of 1222404001043 is 3401004042221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3401004042221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222404001043 - 2¹⁰ = 1222404000019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222404001543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611202000521 + 611202000522.

It is an arithmetic number, because the mean of its divisors is an integer number (611202000522).

Almost surely, 2^{1222404001043} is an apocalyptic number.

1222404001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222404001043 is an equidigital number, since it uses as much as digits as its factorization.

1222404001043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1222404001043 its reverse (3401004042221), we get a palindrome (4623408043264).

The spelling of 1222404001043 in words is "one trillion, two hundred twenty-two billion, four hundred four million, one thousand, forty-three".