12012302313 has 24 divisors (see below), whose sum is σ = 19539077376. Its totient is φ = 7045336800.

The previous prime is 12012302311. The next prime is 12012302327. The reversal of 12012302313 is 31320321021.

12012302313 is a `hidden beast` number, since 1 + 201 + 230 + 231 + 3 = 666.

It is not a de Polignac number, because 12012302313 - 2¹ = 12012302311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12012302311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1953970 + ... + 1960107.

It is an arithmetic number, because the mean of its divisors is an integer number (814128224).

Almost surely, 2^12012302313 is an apocalyptic number.

It is an amenable number.

12012302313 is a deficient number, since it is larger than the sum of its proper divisors (7526775063).

12012302313 is a wasteful number, since it uses less digits than its factorization.

12012302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914125 (or 3914122 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12012302313 its reverse (31320321021), we get a palindrome (43332623334).

The spelling of 12012302313 in words is "twelve billion, twelve million, three hundred two thousand, three hundred thirteen".