12130031338 has 8 divisors (see below), whose sum is σ = 19152681120. Its totient is φ = 5745804300.

The previous prime is 12130031317. The next prime is 12130031339. The reversal of 12130031338 is 83313003121.

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

It is not an unprimeable number, because it can be changed into a prime (12130031339) 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, 159605638 + ... + 159605713.

It is an arithmetic number, because the mean of its divisors is an integer number (2394085140).

Almost surely, 2^12130031338 is an apocalyptic number.

12130031338 is a deficient number, since it is larger than the sum of its proper divisors (7022649782).

12130031338 is a wasteful number, since it uses less digits than its factorization.

12130031338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319211372.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12130031338 its reverse (83313003121), we get a palindrome (95443034459).

The spelling of 12130031338 in words is "twelve billion, one hundred thirty million, thirty-one thousand, three hundred thirty-eight".