122210534022500 has 480 divisors, whose sum is σ = 359451504099072. Its totient is φ = 35174430720000.

The previous prime is 122210534022461. The next prime is 122210534022509. The reversal of 122210534022500 is 5220435012221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122210534022509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 173090192 + ... + 173794808.

Almost surely, 2^{122210534022500} is an apocalyptic number.

122210534022500 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 122210534022500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179725752049536).

122210534022500 is an abundant number, since it is smaller than the sum of its proper divisors (237240970076572).

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

122210534022500 is a wasteful number, since it uses less digits than its factorization.

122210534022500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704729 (or 704712 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 122210534022500 its reverse (5220435012221), we get a palindrome (127430969034721).

The spelling of 122210534022500 in words is "one hundred twenty-two trillion, two hundred ten billion, five hundred thirty-four million, twenty-two thousand, five hundred".