1244012212243 has 2 divisors, whose sum is σ = 1244012212244. Its totient is φ = 1244012212242.

The previous prime is 1244012212237. The next prime is 1244012212301. The reversal of 1244012212243 is 3422122104421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244012212243 - 2²⁹ = 1243475341331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244015212243) 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, 622006106121 + 622006106122.

It is an arithmetic number, because the mean of its divisors is an integer number (622006106122).

Almost surely, 2^{1244012212243} is an apocalyptic number.

1244012212243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244012212243 is an equidigital number, since it uses as much as digits as its factorization.

1244012212243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1244012212243 its reverse (3422122104421), we get a palindrome (4666134316664).

The spelling of 1244012212243 in words is "one trillion, two hundred forty-four billion, twelve million, two hundred twelve thousand, two hundred forty-three".