242121421230 has 64 divisors (see below), whose sum is σ = 631866493440. Its totient is φ = 59020477056.

The previous prime is 242121421229. The next prime is 242121421253. The reversal of 242121421230 is 32124121242.

It is a self number, because there is not a number n which added to its sum of digits gives 242121421230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2973540 + ... + 3053879.

It is an arithmetic number, because the mean of its divisors is an integer number (9872913960).

Almost surely, 2^242121421230 is an apocalyptic number.

242121421230 is an abundant number, since it is smaller than the sum of its proper divisors (389745072210).

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

242121421230 is a wasteful number, since it uses less digits than its factorization.

242121421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027545.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 242121421230 its reverse (32124121242), we get a palindrome (274245542472).

The spelling of 242121421230 in words is "two hundred forty-two billion, one hundred twenty-one million, four hundred twenty-one thousand, two hundred thirty".