122431650342 has 16 divisors (see below), whose sum is σ = 244876908720. Its totient is φ = 40808282112.

The previous prime is 122431650323. The next prime is 122431650343. The reversal of 122431650342 is 243056134221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122431650343) 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 7 ways as a sum of consecutive naturals, for example, 448123 + ... + 667590.

It is an arithmetic number, because the mean of its divisors is an integer number (15304806795).

Almost surely, 2^122431650342 is an apocalyptic number.

122431650342 is an abundant number, since it is smaller than the sum of its proper divisors (122445258378).

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

122431650342 is a wasteful number, since it uses less digits than its factorization.

122431650342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134007.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 122431650342 its reverse (243056134221), we get a palindrome (365487784563).

The spelling of 122431650342 in words is "one hundred twenty-two billion, four hundred thirty-one million, six hundred fifty thousand, three hundred forty-two".