12065333261545 has 16 divisors (see below), whose sum is σ = 14628636262800. Its totient is φ = 9552122302464.

The previous prime is 12065333261521. The next prime is 12065333261593. The reversal of 12065333261545 is 54516233356021.

It can be written as a sum of positive squares in 8 ways, for example, as 739577640169 + 11325755621376 = 859987^2 + 3365376^2 .

It is a cyclic number.

It is not a de Polignac number, because 12065333261545 - 2²⁷ = 12065199043817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12065333261495 and 12065333261504.

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, 6526189 + ... + 8168341.

It is an arithmetic number, because the mean of its divisors is an integer number (914289766425).

Almost surely, 2^{12065333261545} is an apocalyptic number.

It is an amenable number.

12065333261545 is a deficient number, since it is larger than the sum of its proper divisors (2563303001255).

12065333261545 is a wasteful number, since it uses less digits than its factorization.

12065333261545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657404.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 12065333261545 in words is "twelve trillion, sixty-five billion, three hundred thirty-three million, two hundred sixty-one thousand, five hundred forty-five".