12005363649999 has 64 divisors (see below), whose sum is σ = 16697548707840. Its totient is φ = 7667872542720.

The previous prime is 12005363649977. The next prime is 12005363650061. The reversal of 12005363649999 is 99994636350021.

It is not a de Polignac number, because 12005363649999 - 2⁴¹ = 9806340394447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005363645999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2469728829 + ... + 2469733689.

It is an arithmetic number, because the mean of its divisors is an integer number (260899198560).

Almost surely, 2^{12005363649999} is an apocalyptic number.

12005363649999 is a deficient number, since it is larger than the sum of its proper divisors (4692185057841).

12005363649999 is a wasteful number, since it uses less digits than its factorization.

12005363649999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120.

The product of its (nonzero) digits is 85030560, while the sum is 66.

The spelling of 12005363649999 in words is "twelve trillion, five billion, three hundred sixty-three million, six hundred forty-nine thousand, nine hundred ninety-nine".