12120331330 has 64 divisors (see below), whose sum is σ = 23094263808. Its totient is φ = 4573010880.

The previous prime is 12120331273. The next prime is 12120331331. The reversal of 12120331330 is 3313302121.

It is a junction number, because it is equal to n+sod(n) for n = 12120331298 and 12120331307.

It is not an unprimeable number, because it can be changed into a prime (12120331331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3830329 + ... + 3833491.

It is an arithmetic number, because the mean of its divisors is an integer number (360847872).

Almost surely, 2^12120331330 is an apocalyptic number.

12120331330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120331330 is a deficient number, since it is larger than the sum of its proper divisors (10973932478).

12120331330 is a wasteful number, since it uses less digits than its factorization.

12120331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511.

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

Adding to 12120331330 its reverse (3313302121), we get a palindrome (15433633451).

The spelling of 12120331330 in words is "twelve billion, one hundred twenty million, three hundred thirty-one thousand, three hundred thirty".