122535440342 has 16 divisors (see below), whose sum is σ = 210777692832. Its totient is φ = 52335954240.

The previous prime is 122535440333. The next prime is 122535440347. The reversal of 122535440342 is 243044535221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122535440347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14931959 + ... + 14940162.

It is an arithmetic number, because the mean of its divisors is an integer number (13173605802).

Almost surely, 2^122535440342 is an apocalyptic number.

122535440342 is a deficient number, since it is larger than the sum of its proper divisors (88242252490).

122535440342 is a wasteful number, since it uses less digits than its factorization.

122535440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29872423.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 122535440342 its reverse (243044535221), we get a palindrome (365579975563).

The spelling of 122535440342 in words is "one hundred twenty-two billion, five hundred thirty-five million, four hundred forty thousand, three hundred forty-two".