12012002132331 has 32 divisors (see below), whose sum is σ = 16311540833280. Its totient is φ = 7861587071904.

The previous prime is 12012002132321. The next prime is 12012002132341. The reversal of 12012002132331 is 13323120021021.

It is an interprime number because it is at equal distance from previous prime (12012002132321) and next prime (12012002132341).

It is not a de Polignac number, because 12012002132331 - 2¹⁰ = 12012002131307 is a prime.

It is a super-2 number, since 2×12012002132331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012002132298 and 12012002132307.

It is not an unprimeable number, because it can be changed into a prime (12012002132321) 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 31 ways as a sum of consecutive naturals, for example, 29358360 + ... + 29764698.

It is an arithmetic number, because the mean of its divisors is an integer number (509735651040).

Almost surely, 2^{12012002132331} is an apocalyptic number.

12012002132331 is a deficient number, since it is larger than the sum of its proper divisors (4299538700949).

12012002132331 is a wasteful number, since it uses less digits than its factorization.

12012002132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407175.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12012002132331 its reverse (13323120021021), we get a palindrome (25335122153352).

The spelling of 12012002132331 in words is "twelve trillion, twelve billion, two million, one hundred thirty-two thousand, three hundred thirty-one".