12230220042 has 24 divisors (see below), whose sum is σ = 26500918080. Its totient is φ = 4076415720.

The previous prime is 12230220007. The next prime is 12230220059. The reversal of 12230220042 is 24002203221.

12230220042 is a `hidden beast` number, since 122 + 302 + 200 + 42 = 666.

12230220042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12230219997 and 12230220024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340959 + ... + 375117.

It is an arithmetic number, because the mean of its divisors is an integer number (1104204920).

Almost surely, 2^12230220042 is an apocalyptic number.

12230220042 is an abundant number, since it is smaller than the sum of its proper divisors (14270698038).

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

12230220042 is a wasteful number, since it uses less digits than its factorization.

12230220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54058 (or 54055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12230220042 its reverse (24002203221), we get a palindrome (36232423263).

The spelling of 12230220042 in words is "twelve billion, two hundred thirty million, two hundred twenty thousand, forty-two".