30512250252 has 144 divisors (see below), whose sum is σ = 88660965120. Its totient is φ = 8750332800.

The previous prime is 30512250163. The next prime is 30512250277. The reversal of 30512250252 is 25205221503.

30512250252 is a `hidden beast` number, since 30 + 5 + 122 + 502 + 5 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10930977 + ... + 10933767.

Almost surely, 2^30512250252 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 30512250252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44330482560).

30512250252 is an abundant number, since it is smaller than the sum of its proper divisors (58148714868).

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

30512250252 is a wasteful number, since it uses less digits than its factorization.

30512250252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4279 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 30512250252 its reverse (25205221503), we get a palindrome (55717471755).

The spelling of 30512250252 in words is "thirty billion, five hundred twelve million, two hundred fifty thousand, two hundred fifty-two".