1205034400043 has 2 divisors, whose sum is σ = 1205034400044. Its totient is φ = 1205034400042.

The previous prime is 1205034399997. The next prime is 1205034400049. The reversal of 1205034400043 is 3400044305021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1205034400043 - 2¹⁶ = 1205034334507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1205034399985 and 1205034400021.

It is not a weakly prime, because it can be changed into another prime (1205034400049) 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, 602517200021 + 602517200022.

It is an arithmetic number, because the mean of its divisors is an integer number (602517200022).

Almost surely, 2^{1205034400043} is an apocalyptic number.

1205034400043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205034400043 is an equidigital number, since it uses as much as digits as its factorization.

1205034400043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 1205034400043 its reverse (3400044305021), we get a palindrome (4605078705064).

The spelling of 1205034400043 in words is "one trillion, two hundred five billion, thirty-four million, four hundred thousand, forty-three".