12130310233 has 4 divisors (see below), whose sum is σ = 12130648528. Its totient is φ = 12129971940.

The previous prime is 12130310219. The next prime is 12130310273. The reversal of 12130310233 is 33201303121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12130310233 is a prime.

It is a super-3 number, since 3×12130310233³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12130310233.

It is not an unprimeable number, because it can be changed into a prime (12130310273) 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, 107991 + ... + 189532.

It is an arithmetic number, because the mean of its divisors is an integer number (3032662132).

Almost surely, 2^12130310233 is an apocalyptic number.

It is an amenable number.

12130310233 is a deficient number, since it is larger than the sum of its proper divisors (338295).

12130310233 is an equidigital number, since it uses as much as digits as its factorization.

12130310233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338294.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12130310233 its reverse (33201303121), we get a palindrome (45331613354).

The spelling of 12130310233 in words is "twelve billion, one hundred thirty million, three hundred ten thousand, two hundred thirty-three".