122335540225500 has 192 divisors, whose sum is σ = 407360315980800. Its totient is φ = 27946774713600.

The previous prime is 122335540225441. The next prime is 122335540225501. The reversal of 122335540225500 is 5522045533221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122335540225501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15528211 + ... + 22040789.

It is an arithmetic number, because the mean of its divisors is an integer number (2121668312400).

Almost surely, 2^{122335540225500} is an apocalyptic number.

122335540225500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122335540225500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203680157990400).

122335540225500 is an abundant number, since it is smaller than the sum of its proper divisors (285024775755300).

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

122335540225500 is a wasteful number, since it uses less digits than its factorization.

122335540225500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514397 (or 6514385 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 122335540225500 its reverse (5522045533221), we get a palindrome (127857585758721).

The spelling of 122335540225500 in words is "one hundred twenty-two trillion, three hundred thirty-five billion, five hundred forty million, two hundred twenty-five thousand, five hundred".