12013322031 has 16 divisors (see below), whose sum is σ = 17801685600. Its totient is φ = 8007004224.

The previous prime is 12013322011. The next prime is 12013322039. The reversal of 12013322031 is 13022331021.

It is not a de Polignac number, because 12013322031 - 2¹⁹ = 12012797743 is a prime.

It is a super-2 number, since 2×12013322031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12013321995 and 12013322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013322039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70425 + ... + 170253.

It is an arithmetic number, because the mean of its divisors is an integer number (1112605350).

Almost surely, 2^12013322031 is an apocalyptic number.

12013322031 is a deficient number, since it is larger than the sum of its proper divisors (5788363569).

12013322031 is an equidigital number, since it uses as much as digits as its factorization.

12013322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104295 (or 104289 counting only the distinct ones).

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

Adding to 12013322031 its reverse (13022331021), we get a palindrome (25035653052).

The spelling of 12013322031 in words is "twelve billion, thirteen million, three hundred twenty-two thousand, thirty-one".