12013001330031 has 24 divisors (see below), whose sum is σ = 18687117031856. Its totient is φ = 7392526767360.

The previous prime is 12013001330027. The next prime is 12013001330041. The reversal of 12013001330031 is 13003310031021.

It is a happy number.

12013001330031 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 300 + 1 + 330 + 0 + 31 = 666.

It is not a de Polignac number, because 12013001330031 - 2² = 12013001330027 is a prime.

It is a super-2 number, since 2×12013001330031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12013001329986 and 12013001330013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013001330021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9841236 + ... + 10994358.

Almost surely, 2^{12013001330031} is an apocalyptic number.

12013001330031 is a deficient number, since it is larger than the sum of its proper divisors (6674115701825).

12013001330031 is a wasteful number, since it uses less digits than its factorization.

12013001330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242183 (or 1242180 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12013001330031 its reverse (13003310031021), we get a palindrome (25016311361052).

The spelling of 12013001330031 in words is "twelve trillion, thirteen billion, one million, three hundred thirty thousand, thirty-one".