121424344422 has 32 divisors (see below), whose sum is σ = 245992588800. Its totient is φ = 39951089568.

The previous prime is 121424344397. The next prime is 121424344423. The reversal of 121424344422 is 224443424121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121424344423) 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 15 ways as a sum of consecutive naturals, for example, 1723533 + ... + 1792599.

It is an arithmetic number, because the mean of its divisors is an integer number (7687268400).

Almost surely, 2^121424344422 is an apocalyptic number.

121424344422 is an abundant number, since it is smaller than the sum of its proper divisors (124568244378).

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

121424344422 is a wasteful number, since it uses less digits than its factorization.

121424344422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72860.

The product of its digits is 49152, while the sum is 33.

Adding to 121424344422 its reverse (224443424121), we get a palindrome (345867768543).

The spelling of 121424344422 in words is "one hundred twenty-one billion, four hundred twenty-four million, three hundred forty-four thousand, four hundred twenty-two".