121442434421224 has 64 divisors (see below), whose sum is σ = 271327110451200. Its totient is φ = 49856356376064.

The previous prime is 121442434421201. The next prime is 121442434421249. The reversal of 121442434421224 is 422124434244121.

121442434421224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294202509 + ... + 294615004.

It is an arithmetic number, because the mean of its divisors is an integer number (4239486100800).

Almost surely, 2^{121442434421224} is an apocalyptic number.

121442434421224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121442434421224 is an abundant number, since it is smaller than the sum of its proper divisors (149884676029976).

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

121442434421224 is a wasteful number, since it uses less digits than its factorization.

121442434421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588817682 (or 588817678 counting only the distinct ones).

The product of its digits is 393216, while the sum is 40.

Adding to 121442434421224 its reverse (422124434244121), we get a palindrome (543566868665345).

The spelling of 121442434421224 in words is "one hundred twenty-one trillion, four hundred forty-two billion, four hundred thirty-four million, four hundred twenty-one thousand, two hundred twenty-four".