12111320330 has 16 divisors (see below), whose sum is σ = 21806508744. Its totient is φ = 4843165440.

The previous prime is 12111320311. The next prime is 12111320341. The reversal of 12111320330 is 3302311121.

It can be written as a sum of positive squares in 4 ways, for example, as 4255866169 + 7855454161 = 65237^2 + 88631^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12111320299 and 12111320308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132611 + ... + 204470.

Almost surely, 2^12111320330 is an apocalyptic number.

12111320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111320330 is a deficient number, since it is larger than the sum of its proper divisors (9695188414).

12111320330 is a wasteful number, since it uses less digits than its factorization.

12111320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340681.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12111320330 its reverse (3302311121), we get a palindrome (15413631451).

The spelling of 12111320330 in words is "twelve billion, one hundred eleven million, three hundred twenty thousand, three hundred thirty".