12111323330 has 64 divisors (see below), whose sum is σ = 23598328320. Its totient is φ = 4460313600.

The previous prime is 12111323321. The next prime is 12111323339. The reversal of 12111323330 is 3332311121.

It is an interprime number because it is at equal distance from previous prime (12111323321) and next prime (12111323339).

It is not an unprimeable number, because it can be changed into a prime (12111323339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2108222 + ... + 2113958.

It is an arithmetic number, because the mean of its divisors is an integer number (368723880).

Almost surely, 2^12111323330 is an apocalyptic number.

12111323330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111323330 is a deficient number, since it is larger than the sum of its proper divisors (11487004990).

12111323330 is a wasteful number, since it uses less digits than its factorization.

12111323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12111323330 its reverse (3332311121), we get a palindrome (15443634451).

The spelling of 12111323330 in words is "twelve billion, one hundred eleven million, three hundred twenty-three thousand, three hundred thirty".