12043015939 has 2 divisors, whose sum is σ = 12043015940. Its totient is φ = 12043015938.

The previous prime is 12043015937. The next prime is 12043015949. The reversal of 12043015939 is 93951034021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12043015939 - 2¹ = 12043015937 is a prime.

Together with 12043015937, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12043015898 and 12043015907.

It is not a weakly prime, because it can be changed into another prime (12043015937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021507969 + 6021507970.

It is an arithmetic number, because the mean of its divisors is an integer number (6021507970).

Almost surely, 2^12043015939 is an apocalyptic number.

12043015939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043015939 is an equidigital number, since it uses as much as digits as its factorization.

12043015939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 12043015939 in words is "twelve billion, forty-three million, fifteen thousand, nine hundred thirty-nine".