2235121330530 has 256 divisors, whose sum is σ = 6078866227200. Its totient is φ = 521292195840.

The previous prime is 2235121330513. The next prime is 2235121330537. The reversal of 2235121330530 is 350331215322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2235121330537) 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 127 ways as a sum of consecutive naturals, for example, 285488656 + ... + 285496484.

It is an arithmetic number, because the mean of its divisors is an integer number (23745571200).

Almost surely, 2^{2235121330530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2235121330530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3039433113600).

2235121330530 is an abundant number, since it is smaller than the sum of its proper divisors (3843744896670).

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

2235121330530 is a wasteful number, since it uses less digits than its factorization.

2235121330530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 2235121330530 its reverse (350331215322), we get a palindrome (2585452545852).

The spelling of 2235121330530 in words is "two trillion, two hundred thirty-five billion, one hundred twenty-one million, three hundred thirty thousand, five hundred thirty".