12345333220 has 48 divisors (see below), whose sum is σ = 29770574400. Its totient is φ = 4252936320.

The previous prime is 12345333197. The next prime is 12345333227. The reversal of 12345333220 is 2233354321.

It is not an unprimeable number, because it can be changed into a prime (12345333227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472535 + ... + 1480894.

It is an arithmetic number, because the mean of its divisors is an integer number (620220300).

Almost surely, 2^12345333220 is an apocalyptic number.

12345333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12345333220 is an abundant number, since it is smaller than the sum of its proper divisors (17425241180).

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

12345333220 is a wasteful number, since it uses less digits than its factorization.

12345333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953468 (or 2953466 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 12345333220 its reverse (2233354321), we get a palindrome (14578687541).

The spelling of 12345333220 in words is "twelve billion, three hundred forty-five million, three hundred thirty-three thousand, two hundred twenty".