12111222201330 has 256 divisors, whose sum is σ = 34475706777600. Its totient is φ = 2664211737600.

The previous prime is 12111222201329. The next prime is 12111222201347. The reversal of 12111222201330 is 3310222211121.

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 = 12111222201297 and 12111222201306.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5082341319 + ... + 5082343701.

It is an arithmetic number, because the mean of its divisors is an integer number (134670729600).

Almost surely, 2^{12111222201330} is an apocalyptic number.

12111222201330 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 12111222201330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17237853388800).

12111222201330 is an abundant number, since it is smaller than the sum of its proper divisors (22364484576270).

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

12111222201330 is a wasteful number, since it uses less digits than its factorization.

12111222201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12111222201330 its reverse (3310222211121), we get a palindrome (15421444412451).

The spelling of 12111222201330 in words is "twelve trillion, one hundred eleven billion, two hundred twenty-two million, two hundred one thousand, three hundred thirty".