12630111318 has 24 divisors (see below), whose sum is σ = 29852990856. Its totient is φ = 3827306400.

The previous prime is 12630111313. The next prime is 12630111343. The reversal of 12630111318 is 81311103621.

12630111318 is a `hidden beast` number, since 1 + 2 + 630 + 1 + 1 + 13 + 18 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12630111291 and 12630111300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630111313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31894023 + ... + 31894418.

It is an arithmetic number, because the mean of its divisors is an integer number (1243874619).

Almost surely, 2^12630111318 is an apocalyptic number.

12630111318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12630111318 is an abundant number, since it is smaller than the sum of its proper divisors (17222879538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12630111318 is a wasteful number, since it uses less digits than its factorization.

12630111318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63788460 (or 63788457 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 12630111318 its reverse (81311103621), we get a palindrome (93941214939).

The spelling of 12630111318 in words is "twelve billion, six hundred thirty million, one hundred eleven thousand, three hundred eighteen".