12223121130 has 384 divisors, whose sum is σ = 37691136000. Its totient is φ = 2848348800.

The previous prime is 12223121123. The next prime is 12223121143. The reversal of 12223121130 is 3112132221.

12223121130 is a `hidden beast` number, since 1 + 222 + 312 + 1 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 82034296 + ... + 82034444.

It is an arithmetic number, because the mean of its divisors is an integer number (98154000).

Almost surely, 2^12223121130 is an apocalyptic number.

12223121130 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 12223121130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18845568000).

12223121130 is an abundant number, since it is smaller than the sum of its proper divisors (25468014870).

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

12223121130 is a wasteful number, since it uses less digits than its factorization.

12223121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12223121130 its reverse (3112132221), we get a palindrome (15335253351).

The spelling of 12223121130 in words is "twelve billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty".