1243241222434 has 16 divisors (see below), whose sum is σ = 1915246607040. Its totient is φ = 605034319600.

The previous prime is 1243241222407. The next prime is 1243241222479. The reversal of 1243241222434 is 4342221423421.

It is a self number, because there is not a number n which added to its sum of digits gives 1243241222434.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 52146214 + ... + 52170049.

It is an arithmetic number, because the mean of its divisors is an integer number (119702912940).

Almost surely, 2^{1243241222434} is an apocalyptic number.

1243241222434 is a deficient number, since it is larger than the sum of its proper divisors (672005384606).

1243241222434 is a wasteful number, since it uses less digits than its factorization.

1243241222434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104316425.

The product of its digits is 73728, while the sum is 34.

Adding to 1243241222434 its reverse (4342221423421), we get a palindrome (5585462645855).

The spelling of 1243241222434 in words is "one trillion, two hundred forty-three billion, two hundred forty-one million, two hundred twenty-two thousand, four hundred thirty-four".