2012131233031 has 4 divisors (see below), whose sum is σ = 2019241237672. Its totient is φ = 2005021228392.

The previous prime is 2012131232981. The next prime is 2012131233053. The reversal of 2012131233031 is 1303321312102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012131233031 - 2¹⁹ = 2012130708743 is a prime.

It is a super-2 number, since 2×2012131233031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012131232993 and 2012131233011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012131233071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555001896 + ... + 3555002461.

It is an arithmetic number, because the mean of its divisors is an integer number (504810309418).

Almost surely, 2^{2012131233031} is an apocalyptic number.

2012131233031 is a deficient number, since it is larger than the sum of its proper divisors (7110004641).

2012131233031 is an equidigital number, since it uses as much as digits as its factorization.

2012131233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110004640.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2012131233031 its reverse (1303321312102), we get a palindrome (3315452545133).

The spelling of 2012131233031 in words is "two trillion, twelve billion, one hundred thirty-one million, two hundred thirty-three thousand, thirty-one".