30135212345500 has 96 divisors (see below), whose sum is σ = 66931379319168. Its totient is φ = 11850637568000.

The previous prime is 30135212345489. The next prime is 30135212345527. The reversal of 30135212345500 is 554321253103.

It is a super-2 number, since 2×30135212345500² (a number of 28 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 11329122 + ... + 13733878.

It is an arithmetic number, because the mean of its divisors is an integer number (697201867908).

Almost surely, 2^{30135212345500} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30135212345500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33465689659584).

30135212345500 is an abundant number, since it is smaller than the sum of its proper divisors (36796166973668).

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

30135212345500 is a wasteful number, since it uses less digits than its factorization.

30135212345500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405200 (or 2405188 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 30135212345500 its reverse (554321253103), we get a palindrome (30689533598603).

The spelling of 30135212345500 in words is "thirty trillion, one hundred thirty-five billion, two hundred twelve million, three hundred forty-five thousand, five hundred".