242220204123 has 8 divisors (see below), whose sum is σ = 322978621200. Its totient is φ = 161470961568.

The previous prime is 242220204059. The next prime is 242220204167. The reversal of 242220204123 is 321402022242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242220204123 - 2⁶ = 242220204059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242220204093 and 242220204102.

It is not an unprimeable number, because it can be changed into a prime (242220204923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2231788 + ... + 2337801.

It is an arithmetic number, because the mean of its divisors is an integer number (40372327650).

Almost surely, 2^242220204123 is an apocalyptic number.

242220204123 is a deficient number, since it is larger than the sum of its proper divisors (80758417077).

242220204123 is a wasteful number, since it uses less digits than its factorization.

242220204123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587261.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 242220204123 its reverse (321402022242), we get a palindrome (563622226365).

The spelling of 242220204123 in words is "two hundred forty-two billion, two hundred twenty million, two hundred four thousand, one hundred twenty-three".