12120220330 has 16 divisors (see below), whose sum is σ = 22348504584. Its totient is φ = 4729841920.

The previous prime is 12120220313. The next prime is 12120220349. The reversal of 12120220330 is 3302202121.

12120220330 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3119334201 + 9000886129 = 55851^2 + 94873^2 .

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, 14780347 + ... + 14781166.

Almost surely, 2^12120220330 is an apocalyptic number.

12120220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120220330 is a deficient number, since it is larger than the sum of its proper divisors (10228284254).

12120220330 is a wasteful number, since it uses less digits than its factorization.

12120220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29561561.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12120220330 its reverse (3302202121), we get a palindrome (15422422451).

The spelling of 12120220330 in words is "twelve billion, one hundred twenty million, two hundred twenty thousand, three hundred thirty".