12017203004643 has 16 divisors (see below), whose sum is σ = 16163782709760. Its totient is φ = 7941313245056.

The previous prime is 12017203004633. The next prime is 12017203004663. The reversal of 12017203004643 is 34640030271021.

It is a cyclic number.

It is not a de Polignac number, because 12017203004643 - 2²⁴ = 12017186227427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12017203004633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33227430 + ... + 33587147.

It is an arithmetic number, because the mean of its divisors is an integer number (1010236419360).

Almost surely, 2^{12017203004643} is an apocalyptic number.

12017203004643 is a deficient number, since it is larger than the sum of its proper divisors (4146579705117).

12017203004643 is a wasteful number, since it uses less digits than its factorization.

12017203004643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66815106.

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 12017203004643 its reverse (34640030271021), we get a palindrome (46657233275664).

The spelling of 12017203004643 in words is "twelve trillion, seventeen billion, two hundred three million, four thousand, six hundred forty-three".