122321243142 has 96 divisors (see below), whose sum is σ = 304542830592. Its totient is φ = 34758614592.

The previous prime is 122321243123. The next prime is 122321243189. The reversal of 122321243142 is 241342123221.

122321243142 is a `hidden beast` number, since 1 + 2 + 2 + 321 + 24 + 314 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51895828 + ... + 51898184.

It is an arithmetic number, because the mean of its divisors is an integer number (3172321152).

Almost surely, 2^122321243142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122321243142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152271415296).

122321243142 is an abundant number, since it is smaller than the sum of its proper divisors (182221587450).

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

122321243142 is a wasteful number, since it uses less digits than its factorization.

122321243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442 (or 4439 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 122321243142 its reverse (241342123221), we get a palindrome (363663366363).

The spelling of 122321243142 in words is "one hundred twenty-two billion, three hundred twenty-one million, two hundred forty-three thousand, one hundred forty-two".