12001004732545 has 16 divisors (see below), whose sum is σ = 14736827064960. Its totient is φ = 9377077699584.

The previous prime is 12001004732531. The next prime is 12001004732593. The reversal of 12001004732545 is 54523740010021.

It is a cyclic number.

It is not a de Polignac number, because 12001004732545 - 2³⁷ = 11863565779073 is a prime.

It is a super-2 number, since 2×12001004732545² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12001004732545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3166212 + ... + 5833258.

It is an arithmetic number, because the mean of its divisors is an integer number (921051691560).

Almost surely, 2^{12001004732545} is an apocalyptic number.

It is an amenable number.

12001004732545 is a deficient number, since it is larger than the sum of its proper divisors (2735822332415).

12001004732545 is a wasteful number, since it uses less digits than its factorization.

12001004732545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688024.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 12001004732545 its reverse (54523740010021), we get a palindrome (66524744742566).

The spelling of 12001004732545 in words is "twelve trillion, one billion, four million, seven hundred thirty-two thousand, five hundred forty-five".