12345045043 has 2 divisors, whose sum is σ = 12345045044. Its totient is φ = 12345045042.

The previous prime is 12345044993. The next prime is 12345045067. The reversal of 12345045043 is 34054054321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12345045043 - 2²¹ = 12342947891 is a prime.

It is a super-2 number, since 2×12345045043² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12345044996 and 12345045014.

It is not a weakly prime, because it can be changed into another prime (12345045073) 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, 6172522521 + 6172522522.

It is an arithmetic number, because the mean of its divisors is an integer number (6172522522).

Almost surely, 2^12345045043 is an apocalyptic number.

12345045043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345045043 is an equidigital number, since it uses as much as digits as its factorization.

12345045043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 12345045043 its reverse (34054054321), we get a palindrome (46399099364).

The spelling of 12345045043 in words is "twelve billion, three hundred forty-five million, forty-five thousand, forty-three".