12130044331 has 4 divisors (see below), whose sum is σ = 12130302592. Its totient is φ = 12129786072.

The previous prime is 12130044319. The next prime is 12130044341. The reversal of 12130044331 is 13344003121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13344003121 = 37 ⋅360648733.

It is a cyclic number.

It is not a de Polignac number, because 12130044331 - 2²³ = 12121655723 is a prime.

It is a super-2 number, since 2×12130044331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12130044301) 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, 36555 + ... + 159988.

It is an arithmetic number, because the mean of its divisors is an integer number (3032575648).

Almost surely, 2^12130044331 is an apocalyptic number.

12130044331 is a deficient number, since it is larger than the sum of its proper divisors (258261).

12130044331 is an equidigital number, since it uses as much as digits as its factorization.

12130044331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258260.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12130044331 its reverse (13344003121), we get a palindrome (25474047452).

The spelling of 12130044331 in words is "twelve billion, one hundred thirty million, forty-four thousand, three hundred thirty-one".