12043015973 has 2 divisors, whose sum is σ = 12043015974. Its totient is φ = 12043015972.

The previous prime is 12043015967. The next prime is 12043015987. The reversal of 12043015973 is 37951034021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10289667844 + 1753348129 = 101438^2 + 41873^2 .

It is an emirp because it is prime and its reverse (37951034021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12043015973 - 2⁶ = 12043015909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12043015913) 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, 6021507986 + 6021507987.

It is an arithmetic number, because the mean of its divisors is an integer number (6021507987).

Almost surely, 2^12043015973 is an apocalyptic number.

It is an amenable number.

12043015973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043015973 is an equidigital number, since it uses as much as digits as its factorization.

12043015973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

Adding to 12043015973 its reverse (37951034021), we get a palindrome (49994049994).

The spelling of 12043015973 in words is "twelve billion, forty-three million, fifteen thousand, nine hundred seventy-three".