12066534761 has 2 divisors, whose sum is σ = 12066534762. Its totient is φ = 12066534760.

The previous prime is 12066534749. The next prime is 12066534773. The reversal of 12066534761 is 16743566021.

It is a balanced prime because it is at equal distance from previous prime (12066534749) and next prime (12066534773).

It can be written as a sum of positive squares in only one way, i.e., 11236000000 + 830534761 = 106000^2 + 28819^2 .

It is a cyclic number.

It is not a de Polignac number, because 12066534761 - 2²² = 12062340457 is a prime.

It is a super-2 number, since 2×12066534761² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12066524761) 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, 6033267380 + 6033267381.

It is an arithmetic number, because the mean of its divisors is an integer number (6033267381).

Almost surely, 2^12066534761 is an apocalyptic number.

It is an amenable number.

12066534761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12066534761 is an equidigital number, since it uses as much as digits as its factorization.

12066534761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 12066534761 in words is "twelve billion, sixty-six million, five hundred thirty-four thousand, seven hundred sixty-one".