2012132331 has 24 divisors (see below), whose sum is σ = 3172376064. Its totient is φ = 1218803760.

The previous prime is 2012132327. The next prime is 2012132347. The reversal of 2012132331 is 1332312102.

2012132331 is a `hidden beast` number, since 201 + 2 + 132 + 331 = 666.

It is not a de Polignac number, because 2012132331 - 2² = 2012132327 is a prime.

It is a super-2 number, since 2×2012132331² = 8097353034910987122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012132371) 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, 221970 + ... + 230856.

It is an arithmetic number, because the mean of its divisors is an integer number (132182336).

Almost surely, 2^2012132331 is an apocalyptic number.

2012132331 is a deficient number, since it is larger than the sum of its proper divisors (1160243733).

2012132331 is a wasteful number, since it uses less digits than its factorization.

2012132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191 (or 11188 counting only the distinct ones).

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

The square root of 2012132331 is about 44856.7980466729. The cubic root of 2012132331 is about 1262.4635456062.

Adding to 2012132331 its reverse (1332312102), we get a palindrome (3344444433).

The spelling of 2012132331 in words is "two billion, twelve million, one hundred thirty-two thousand, three hundred thirty-one".