12012302011331 has 16 divisors (see below), whose sum is σ = 12972171891840. Its totient is φ = 11088952902720.

The previous prime is 12012302011313. The next prime is 12012302011361. The reversal of 12012302011331 is 13311020321021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12012302011331 - 2¹⁸ = 12012301749187 is a prime.

It is a super-3 number, since 3×12012302011331³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012302011361) 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, 52057385 + ... + 52287626.

It is an arithmetic number, because the mean of its divisors is an integer number (810760743240).

Almost surely, 2^{12012302011331} is an apocalyptic number.

12012302011331 is a deficient number, since it is larger than the sum of its proper divisors (959869880509).

12012302011331 is a wasteful number, since it uses less digits than its factorization.

12012302011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104345186.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12012302011331 its reverse (13311020321021), we get a palindrome (25323322332352).

The spelling of 12012302011331 in words is "twelve trillion, twelve billion, three hundred two million, eleven thousand, three hundred thirty-one".