122535334520 has 32 divisors (see below), whose sum is σ = 287691657120. Its totient is φ = 46883084160.

The previous prime is 122535334517. The next prime is 122535334561. The reversal of 122535334520 is 25433535221.

It is a congruent number.

It is an unprimeable number.

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, 66594371 + ... + 66596210.

It is an arithmetic number, because the mean of its divisors is an integer number (8990364285).

Almost surely, 2^122535334520 is an apocalyptic number.

122535334520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122535334520 is an abundant number, since it is smaller than the sum of its proper divisors (165156322600).

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

122535334520 is a wasteful number, since it uses less digits than its factorization.

122535334520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133190615 (or 133190611 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 122535334520 its reverse (25433535221), we get a palindrome (147968869741).

The spelling of 122535334520 in words is "one hundred twenty-two billion, five hundred thirty-five million, three hundred thirty-four thousand, five hundred twenty".