12133223130 has 128 divisors (see below), whose sum is σ = 33681899520. Its totient is φ = 2739985920.

The previous prime is 12133223107. The next prime is 12133223147. The reversal of 12133223130 is 3132233121.

12133223130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12133223097 and 12133223106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7493461 + ... + 7495079.

It is an arithmetic number, because the mean of its divisors is an integer number (263139840).

Almost surely, 2^12133223130 is an apocalyptic number.

12133223130 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 12133223130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16840949760).

12133223130 is an abundant number, since it is smaller than the sum of its proper divisors (21548676390).

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

12133223130 is a wasteful number, since it uses less digits than its factorization.

12133223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12133223130 its reverse (3132233121), we get a palindrome (15265456251).

Subtracting from 12133223130 its reverse (3132233121), we obtain a palindrome (9000990009).

The spelling of 12133223130 in words is "twelve billion, one hundred thirty-three million, two hundred twenty-three thousand, one hundred thirty".