12012013333 has 16 divisors (see below), whose sum is σ = 12699212400. Its totient is φ = 11348453376.

The previous prime is 12012013309. The next prime is 12012013337. The reversal of 12012013333 is 33331021021.

It can be written as a sum of positive squares in 8 ways, for example, as 421768369 + 11590244964 = 20537^2 + 107658^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012013333 - 2²⁵ = 11978458901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012013333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012013337) 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, 158643 + ... + 221791.

It is an arithmetic number, because the mean of its divisors is an integer number (793700775).

Almost surely, 2^12012013333 is an apocalyptic number.

It is an amenable number.

12012013333 is a deficient number, since it is larger than the sum of its proper divisors (687199067).

12012013333 is an equidigital number, since it uses as much as digits as its factorization.

12012013333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63336.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12012013333 its reverse (33331021021), we get a palindrome (45343034354).

The spelling of 12012013333 in words is "twelve billion, twelve million, thirteen thousand, three hundred thirty-three".