122044321242 has 128 divisors (see below), whose sum is σ = 287749324800. Its totient is φ = 38295331200.

The previous prime is 122044321199. The next prime is 122044321249. The reversal of 122044321242 is 242123440221.

It is a happy number.

122044321242 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 443 + 212 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122044321249) 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 63 ways as a sum of consecutive naturals, for example, 7379859 + ... + 7396377.

It is an arithmetic number, because the mean of its divisors is an integer number (2248041600).

Almost surely, 2^122044321242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122044321242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143874662400).

122044321242 is an abundant number, since it is smaller than the sum of its proper divisors (165705003558).

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

122044321242 is a wasteful number, since it uses less digits than its factorization.

122044321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16689 (or 16683 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 122044321242 its reverse (242123440221), we get a palindrome (364167761463).

The spelling of 122044321242 in words is "one hundred twenty-two billion, forty-four million, three hundred twenty-one thousand, two hundred forty-two".