342555344121 has 32 divisors (see below), whose sum is σ = 479972376576. Its totient is φ = 217054656000.

The previous prime is 342555344083. The next prime is 342555344149. The reversal of 342555344121 is 121443555243.

It is not a de Polignac number, because 342555344121 - 2⁷ = 342555343993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342555344121.

It is not an unprimeable number, because it can be changed into a prime (342555344921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1036816 + ... + 1326686.

It is an arithmetic number, because the mean of its divisors is an integer number (14999136768).

Almost surely, 2^342555344121 is an apocalyptic number.

342555344121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

342555344121 is a deficient number, since it is larger than the sum of its proper divisors (137417032455).

342555344121 is a wasteful number, since it uses less digits than its factorization.

342555344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290133.

The product of its digits is 288000, while the sum is 39.

Adding to 342555344121 its reverse (121443555243), we get a palindrome (463998899364).

The spelling of 342555344121 in words is "three hundred forty-two billion, five hundred fifty-five million, three hundred forty-four thousand, one hundred twenty-one".