12130331331 has 8 divisors (see below), whose sum is σ = 16190504704. Its totient is φ = 8078522760.

The previous prime is 12130331309. The next prime is 12130331333. The reversal of 12130331331 is 13313303121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12130331331 - 2⁷ = 12130331203 is a prime.

It is a super-2 number, since 2×12130331331² (a number of 21 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 = 12130331298 and 12130331307.

It is not an unprimeable number, because it can be changed into a prime (12130331333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087815 + ... + 2093616.

It is an arithmetic number, because the mean of its divisors is an integer number (2023813088).

Almost surely, 2^12130331331 is an apocalyptic number.

12130331331 is a deficient number, since it is larger than the sum of its proper divisors (4060173373).

12130331331 is an equidigital number, since it uses as much as digits as its factorization.

12130331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182401.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 12130331331 its reverse (13313303121), we get a palindrome (25443634452).

The spelling of 12130331331 in words is "twelve billion, one hundred thirty million, three hundred thirty-one thousand, three hundred thirty-one".