12130122222 has 32 divisors (see below), whose sum is σ = 26959968000. Its totient is φ = 4042752984.

The previous prime is 12130122211. The next prime is 12130122247. The reversal of 12130122222 is 22222103121.

12130122222 is a `hidden beast` number, since 121 + 301 + 22 + 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 = 12130122195 and 12130122204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457279 + ... + 483077.

It is an arithmetic number, because the mean of its divisors is an integer number (842499000).

Almost surely, 2^12130122222 is an apocalyptic number.

12130122222 is an abundant number, since it is smaller than the sum of its proper divisors (14829845778).

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

12130122222 is a wasteful number, since it uses less digits than its factorization.

12130122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34517 (or 34511 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12130122222 its reverse (22222103121), we get a palindrome (34352225343).

The spelling of 12130122222 in words is "twelve billion, one hundred thirty million, one hundred twenty-two thousand, two hundred twenty-two".