12001311033 has 16 divisors (see below), whose sum is σ = 16225820160. Its totient is φ = 7888904064.

The previous prime is 12001311001. The next prime is 12001311061. The reversal of 12001311033 is 33011310021.

It is not a de Polignac number, because 12001311033 - 2⁵ = 12001311001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001311073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010035 + ... + 1021847.

It is an arithmetic number, because the mean of its divisors is an integer number (1014113760).

Almost surely, 2^12001311033 is an apocalyptic number.

It is an amenable number.

12001311033 is a deficient number, since it is larger than the sum of its proper divisors (4224509127).

12001311033 is a wasteful number, since it uses less digits than its factorization.

12001311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16528.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12001311033 its reverse (33011310021), we get a palindrome (45012621054).

The spelling of 12001311033 in words is "twelve billion, one million, three hundred eleven thousand, thirty-three".