12005584837 has 2 divisors, whose sum is σ = 12005584838. Its totient is φ = 12005584836.

The previous prime is 12005584831. The next prime is 12005584859. The reversal of 12005584837 is 73848550021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6029367201 + 5976217636 = 77649^2 + 77306^2 .

It is a cyclic number.

It is not a de Polignac number, because 12005584837 - 2⁷ = 12005584709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12005584793 and 12005584802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12005584831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002792418 + 6002792419.

It is an arithmetic number, because the mean of its divisors is an integer number (6002792419).

Almost surely, 2^12005584837 is an apocalyptic number.

It is an amenable number.

12005584837 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005584837 is an equidigital number, since it uses as much as digits as its factorization.

12005584837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 12005584837 in words is "twelve billion, five million, five hundred eighty-four thousand, eight hundred thirty-seven".