342122120340 has 576 divisors, whose sum is σ = 1326179678208. Its totient is φ = 64090414080.

The previous prime is 342122120311. The next prime is 342122120357. The reversal of 342122120340 is 43021221243.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 342122120340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28402359 + ... + 28414401.

Almost surely, 2^342122120340 is an apocalyptic number.

342122120340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342122120340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663089839104).

342122120340 is an abundant number, since it is smaller than the sum of its proper divisors (984057557868).

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

342122120340 is a wasteful number, since it uses less digits than its factorization.

342122120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140 (or 12127 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 342122120340 its reverse (43021221243), we get a palindrome (385143341583).

It can be divided in two parts, 3421221203 and 40, that added together give a palindrome (3421221243).

The spelling of 342122120340 in words is "three hundred forty-two billion, one hundred twenty-two million, one hundred twenty thousand, three hundred forty".