30145215130000 has 200 divisors, whose sum is σ = 77043682504800. Its totient is φ = 11391063552000.

The previous prime is 30145215129949. The next prime is 30145215130111. The reversal of 30145215130000 is 3151254103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 66845271 + ... + 67294729.

It is an arithmetic number, because the mean of its divisors is an integer number (385218412524).

Almost surely, 2^{30145215130000} 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 30145215130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38521841252400).

30145215130000 is an abundant number, since it is smaller than the sum of its proper divisors (46898467374800).

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

30145215130000 is a wasteful number, since it uses less digits than its factorization.

30145215130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449859 (or 449838 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 30145215130000 its reverse (3151254103), we get a palindrome (30148366384103).

The spelling of 30145215130000 in words is "thirty trillion, one hundred forty-five billion, two hundred fifteen million, one hundred thirty thousand".