12120333330 has 128 divisors (see below), whose sum is σ = 33710971392. Its totient is φ = 2731696128.

The previous prime is 12120333319. The next prime is 12120333373. The reversal of 12120333330 is 3333302121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12120333297 and 12120333306.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6456352 + ... + 6458228.

It is an arithmetic number, because the mean of its divisors is an integer number (263366964).

Almost surely, 2^12120333330 is an apocalyptic number.

12120333330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120333330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16855485696).

12120333330 is an abundant number, since it is smaller than the sum of its proper divisors (21590638062).

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

12120333330 is a wasteful number, since it uses less digits than its factorization.

12120333330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 12120333330 its reverse (3333302121), we get a palindrome (15453635451).

The spelling of 12120333330 in words is "twelve billion, one hundred twenty million, three hundred thirty-three thousand, three hundred thirty".