12120103422 has 192 divisors, whose sum is σ = 31424799744. Its totient is φ = 3305111040.

The previous prime is 12120103417. The next prime is 12120103423. The reversal of 12120103422 is 22430102121.

It is a happy number.

12120103422 is a `hidden beast` number, since 121 + 20 + 103 + 422 = 666.

It is a super-2 number, since 2×12120103422² (a number of 21 digits) contains 22 as substring.

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 = 12120103395 and 12120103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120103423) 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 95 ways as a sum of consecutive naturals, for example, 43754748 + ... + 43755024.

It is an arithmetic number, because the mean of its divisors is an integer number (163670832).

Almost surely, 2^12120103422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120103422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15712399872).

12120103422 is an abundant number, since it is smaller than the sum of its proper divisors (19304696322).

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

12120103422 is a wasteful number, since it uses less digits than its factorization.

12120103422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 500 counting only the distinct ones).

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

Adding to 12120103422 its reverse (22430102121), we get a palindrome (34550205543).

The spelling of 12120103422 in words is "twelve billion, one hundred twenty million, one hundred three thousand, four hundred twenty-two".