30020021312132 has 48 divisors (see below), whose sum is σ = 55697477799600. Its totient is φ = 14108753498112.

The previous prime is 30020021312131. The next prime is 30020021312143. The reversal of 30020021312132 is 23121312002003.

It can be written as a sum of positive squares in 8 ways, for example, as 4031477685316 + 25988543626816 = 2007854^2 + 5097896^2 .

It is not an unprimeable number, because it can be changed into a prime (30020021312131) 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, 289792298 + ... + 289895870.

It is an arithmetic number, because the mean of its divisors is an integer number (1160364120825).

Almost surely, 2^{30020021312132} is an apocalyptic number.

It is an amenable number.

30020021312132 is a deficient number, since it is larger than the sum of its proper divisors (25677456487468).

30020021312132 is a wasteful number, since it uses less digits than its factorization.

30020021312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109080 (or 109078 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30020021312132 its reverse (23121312002003), we get a palindrome (53141333314135).

It can be divided in two parts, 3002002 and 1312132, that added together give a palindrome (4314134).

The spelling of 30020021312132 in words is "thirty trillion, twenty billion, twenty-one million, three hundred twelve thousand, one hundred thirty-two".