342421024121424 has 120 divisors (see below), whose sum is σ = 986022609700232. Its totient is φ = 110850188221440.

The previous prime is 342421024121381. The next prime is 342421024121503. The reversal of 342421024121424 is 424121420124243.

342421024121424 is a `hidden beast` number, since 3 + 4 + 2 + 4 + 2 + 102 + 4 + 121 + 424 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 148136454161424 + 194284569960000 = 12171132^2 + 13938600^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56515159 + ... + 62280054.

Almost surely, 2^{342421024121424} is an apocalyptic number.

It is an amenable number.

342421024121424 is an abundant number, since it is smaller than the sum of its proper divisors (643601585578808).

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

342421024121424 is a wasteful number, since it uses less digits than its factorization.

342421024121424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118795805 (or 118795796 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 342421024121424 its reverse (424121420124243), we get a palindrome (766542444245667).

The spelling of 342421024121424 in words is "three hundred forty-two trillion, four hundred twenty-one billion, twenty-four million, one hundred twenty-one thousand, four hundred twenty-four".