242145232122 has 16 divisors (see below), whose sum is σ = 486966104352. Its totient is φ = 80269137360.

The previous prime is 242145232099. The next prime is 242145232123. The reversal of 242145232122 is 221232541242.

242145232122 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 242145232122.

It is not an unprimeable number, because it can be changed into a prime (242145232123) 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 7 ways as a sum of consecutive naturals, for example, 111483828 + ... + 111485999.

It is an arithmetic number, because the mean of its divisors is an integer number (30435381522).

Almost surely, 2^242145232122 is an apocalyptic number.

242145232122 is an abundant number, since it is smaller than the sum of its proper divisors (244820872230).

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

242145232122 is a wasteful number, since it uses less digits than its factorization.

242145232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222970013.

The product of its digits is 15360, while the sum is 30.

Adding to 242145232122 its reverse (221232541242), we get a palindrome (463377773364).

The spelling of 242145232122 in words is "two hundred forty-two billion, one hundred forty-five million, two hundred thirty-two thousand, one hundred twenty-two".