12016650665041 has 12 divisors (see below), whose sum is σ = 13210635930100. Its totient is φ = 10922365887840.

The previous prime is 12016650664951. The next prime is 12016650665087. The reversal of 12016650665041 is 14056605661021.

It can be written as a sum of positive squares in 2 ways, for example, as 6151516050625 + 5865134614416 = 2480225^2 + 2421804^2 .

It is not a de Polignac number, because 12016650665041 - 2³¹ = 12014503181393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12016350665041) 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 11 ways as a sum of consecutive naturals, for example, 7750506 + ... + 9170803.

Almost surely, 2^{12016650665041} is an apocalyptic number.

12016650665041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12016650665041 is a deficient number, since it is larger than the sum of its proper divisors (1193985265059).

12016650665041 is a wasteful number, since it uses less digits than its factorization.

12016650665041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16927200 (or 16927189 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 12016650665041 in words is "twelve trillion, sixteen billion, six hundred fifty million, six hundred sixty-five thousand, forty-one".