12045193739 has 2 divisors, whose sum is σ = 12045193740. Its totient is φ = 12045193738.

The previous prime is 12045193729. The next prime is 12045193757. The reversal of 12045193739 is 93739154021.

12045193739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12045193739 - 2⁸ = 12045193483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12045193739.

It is not a weakly prime, because it can be changed into another prime (12045193709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022596869 + 6022596870.

It is an arithmetic number, because the mean of its divisors is an integer number (6022596870).

Almost surely, 2^12045193739 is an apocalyptic number.

12045193739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045193739 is an equidigital number, since it uses as much as digits as its factorization.

12045193739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 12045193739 in words is "twelve billion, forty-five million, one hundred ninety-three thousand, seven hundred thirty-nine".