12005710065049 has 8 divisors (see below), whose sum is σ = 12177293197320. Its totient is φ = 11834319401856.

The previous prime is 12005710065043. The next prime is 12005710065067. The reversal of 12005710065049 is 94056001750021.

It can be written as a sum of positive squares in 4 ways, for example, as 2378093999449 + 9627616065600 = 1542107^2 + 3102840^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12005710065049 - 2¹¹ = 12005710063001 is a prime.

It is a super-2 number, since 2×12005710065049² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12005710065043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47991622 + ... + 48241135.

It is an arithmetic number, because the mean of its divisors is an integer number (1522161649665).

Almost surely, 2^{12005710065049} is an apocalyptic number.

It is an amenable number.

12005710065049 is a deficient number, since it is larger than the sum of its proper divisors (171583132271).

12005710065049 is an equidigital number, since it uses as much as digits as its factorization.

12005710065049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96234539.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 12005710065049 in words is "twelve trillion, five billion, seven hundred ten million, sixty-five thousand, forty-nine".