12012768680443 has 4 divisors (see below), whose sum is σ = 12034973429008. Its totient is φ = 11990563931880.

The previous prime is 12012768680351. The next prime is 12012768680449. The reversal of 12012768680443 is 34408686721021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012768680443 is a prime.

It is a super-3 number, since 3×12012768680443³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012768680449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11102373471 + ... + 11102374552.

It is an arithmetic number, because the mean of its divisors is an integer number (3008743357252).

Almost surely, 2^{12012768680443} is an apocalyptic number.

12012768680443 is a deficient number, since it is larger than the sum of its proper divisors (22204748565).

12012768680443 is an equidigital number, since it uses as much as digits as its factorization.

12012768680443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22204748564.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 12012768680443 in words is "twelve trillion, twelve billion, seven hundred sixty-eight million, six hundred eighty thousand, four hundred forty-three".