1243422210203 has 2 divisors, whose sum is σ = 1243422210204. Its totient is φ = 1243422210202.

The previous prime is 1243422210181. The next prime is 1243422210209. The reversal of 1243422210203 is 3020122243421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1243422210203 - 2¹⁶ = 1243422144667 is a prime.

It is a super-2 number, since 2×1243422210203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1243422210209) 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, 621711105101 + 621711105102.

It is an arithmetic number, because the mean of its divisors is an integer number (621711105102).

Almost surely, 2^{1243422210203} is an apocalyptic number.

1243422210203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243422210203 is an equidigital number, since it uses as much as digits as its factorization.

1243422210203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1243422210203 its reverse (3020122243421), we get a palindrome (4263544453624).

The spelling of 1243422210203 in words is "one trillion, two hundred forty-three billion, four hundred twenty-two million, two hundred ten thousand, two hundred three".