12220321330 has 16 divisors (see below), whose sum is σ = 25138946880. Its totient is φ = 4189824432.

The previous prime is 12220321313. The next prime is 12220321343. The reversal of 12220321330 is 3312302221.

It is a junction number, because it is equal to n+sod(n) for n = 12220321298 and 12220321307.

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, 87287940 + ... + 87288079.

It is an arithmetic number, because the mean of its divisors is an integer number (1571184180).

Almost surely, 2^12220321330 is an apocalyptic number.

12220321330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220321330 is an abundant number, since it is smaller than the sum of its proper divisors (12918625550).

12220321330 is a wasteful number, since it uses less digits than its factorization.

12220321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174576033.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12220321330 its reverse (3312302221), we get a palindrome (15532623551).

The spelling of 12220321330 in words is "twelve billion, two hundred twenty million, three hundred twenty-one thousand, three hundred thirty".