30525144012 has 72 divisors (see below), whose sum is σ = 85240995840. Its totient is φ = 9132945120.

The previous prime is 30525144011. The next prime is 30525144029. The reversal of 30525144012 is 21044152503.

30525144012 is a `hidden beast` number, since 3 + 0 + 5 + 251 + 4 + 401 + 2 = 666.

It is a super-2 number, since 2×30525144012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30525144011) 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, 456588 + ... + 519155.

It is an arithmetic number, because the mean of its divisors is an integer number (1183902720).

Almost surely, 2^30525144012 is an apocalyptic number.

It is an amenable number.

30525144012 is an abundant number, since it is smaller than the sum of its proper divisors (54715851828).

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

30525144012 is a wasteful number, since it uses less digits than its factorization.

30525144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975843 (or 975838 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 30525144012 its reverse (21044152503), we get a palindrome (51569296515).

The spelling of 30525144012 in words is "thirty billion, five hundred twenty-five million, one hundred forty-four thousand, twelve".