30132020512 has 96 divisors (see below), whose sum is σ = 65208447360. Its totient is φ = 13592494080.

The previous prime is 30132020507. The next prime is 30132020519. The reversal of 30132020512 is 21502023103.

It is a self number, because there is not a number n which added to its sum of digits gives 30132020512.

It is not an unprimeable number, because it can be changed into a prime (30132020519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35913789 + ... + 35914627.

It is an arithmetic number, because the mean of its divisors is an integer number (679254660).

Almost surely, 2^30132020512 is an apocalyptic number.

30132020512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30132020512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32604223680).

30132020512 is an abundant number, since it is smaller than the sum of its proper divisors (35076426848).

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

30132020512 is a wasteful number, since it uses less digits than its factorization.

30132020512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 30132020512 its reverse (21502023103), we get a palindrome (51634043615).

The spelling of 30132020512 in words is "thirty billion, one hundred thirty-two million, twenty thousand, five hundred twelve".