30015124272 has 120 divisors (see below), whose sum is σ = 96230145440. Its totient is φ = 8555258880.

The previous prime is 30015124267. The next prime is 30015124273. The reversal of 30015124272 is 27242151003.

30015124272 is a `hidden beast` number, since 300 + 1 + 51 + 242 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (30015124273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389004 + ... + 459732.

Almost surely, 2^30015124272 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 30015124272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48115072720).

30015124272 is an abundant number, since it is smaller than the sum of its proper divisors (66215021168).

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

30015124272 is a wasteful number, since it uses less digits than its factorization.

30015124272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71171 (or 71162 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 30015124272 its reverse (27242151003), we get a palindrome (57257275275).

It can be divided in two parts, 300151 and 24272, that added together give a palindrome (324423).

The spelling of 30015124272 in words is "thirty billion, fifteen million, one hundred twenty-four thousand, two hundred seventy-two".