12220321201330 has 128 divisors (see below), whose sum is σ = 26075405537280. Its totient is φ = 4075574952960.

The previous prime is 12220321201327. The next prime is 12220321201331. The reversal of 12220321201330 is 3310212302221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12220321201331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9553639 + ... + 10756981.

It is an arithmetic number, because the mean of its divisors is an integer number (203714105760).

Almost surely, 2^{12220321201330} is an apocalyptic number.

12220321201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220321201330 is an abundant number, since it is smaller than the sum of its proper divisors (13855084335950).

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

12220321201330 is a wasteful number, since it uses less digits than its factorization.

12220321201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203536.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12220321201330 its reverse (3310212302221), we get a palindrome (15530533503551).

The spelling of 12220321201330 in words is "twelve trillion, two hundred twenty billion, three hundred twenty-one million, two hundred one thousand, three hundred thirty".