12130230222 has 128 divisors (see below), whose sum is σ = 31076352000. Its totient is φ = 3471193440.

The previous prime is 12130230197. The next prime is 12130230239. The reversal of 12130230222 is 22203203121.

12130230222 is a `hidden beast` number, since 1 + 213 + 0 + 230 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12130230195 and 12130230204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1073679 + ... + 1084917.

It is an arithmetic number, because the mean of its divisors is an integer number (242784000).

Almost surely, 2^12130230222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12130230222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15538176000).

12130230222 is an abundant number, since it is smaller than the sum of its proper divisors (18946121778).

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

12130230222 is a wasteful number, since it uses less digits than its factorization.

12130230222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11363 (or 11357 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12130230222 its reverse (22203203121), we get a palindrome (34333433343).

The spelling of 12130230222 in words is "twelve billion, one hundred thirty million, two hundred thirty thousand, two hundred twenty-two".