123030111222 has 48 divisors (see below), whose sum is σ = 292699107792. Its totient is φ = 38597679360.

The previous prime is 123030111221. The next prime is 123030111223. The reversal of 123030111222 is 222111030321.

123030111222 is a `hidden beast` number, since 1 + 230 + 301 + 112 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (123030111221) and next prime (123030111223).

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 = 123030111195 and 123030111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030111221) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7437279 + ... + 7453802.

It is an arithmetic number, because the mean of its divisors is an integer number (6097898079).

Almost surely, 2^123030111222 is an apocalyptic number.

123030111222 is an abundant number, since it is smaller than the sum of its proper divisors (169668996570).

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

123030111222 is a wasteful number, since it uses less digits than its factorization.

123030111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891115 (or 14891103 counting only the distinct ones).

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

Adding to 123030111222 its reverse (222111030321), we get a palindrome (345141141543).

The spelling of 123030111222 in words is "one hundred twenty-three billion, thirty million, one hundred eleven thousand, two hundred twenty-two".