12066748849 has 2 divisors, whose sum is σ = 12066748850. Its totient is φ = 12066748848.

The previous prime is 12066748829. The next prime is 12066748873. The reversal of 12066748849 is 94884766021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11156640625 + 910108224 = 105625^2 + 30168^2 .

It is a cyclic number.

It is not a de Polignac number, because 12066748849 - 2¹⁷ = 12066617777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12066748849.

It is not a weakly prime, because it can be changed into another prime (12066748829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6033374424 + 6033374425.

It is an arithmetic number, because the mean of its divisors is an integer number (6033374425).

Almost surely, 2^12066748849 is an apocalyptic number.

It is an amenable number.

12066748849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12066748849 is an equidigital number, since it uses as much as digits as its factorization.

12066748849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 12066748849 in words is "twelve billion, sixty-six million, seven hundred forty-eight thousand, eight hundred forty-nine".