30212031110020 has 24 divisors (see below), whose sum is σ = 63506683830744. Its totient is φ = 12073113682176.

The previous prime is 30212031109969. The next prime is 30212031110117. The reversal of 30212031110020 is 2001113021203.

It can be written as a sum of positive squares in 4 ways, for example, as 11810659448896 + 18401371661124 = 3436664^2 + 4289682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30212031109976 and 30212031110003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731151439 + ... + 731192758.

It is an arithmetic number, because the mean of its divisors is an integer number (2646111826281).

Almost surely, 2^{30212031110020} is an apocalyptic number.

It is an amenable number.

30212031110020 is an abundant number, since it is smaller than the sum of its proper divisors (33294652720724).

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

30212031110020 is a wasteful number, since it uses less digits than its factorization.

30212031110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462345239 (or 1462345237 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30212031110020 its reverse (2001113021203), we get a palindrome (32213144131223).

The spelling of 30212031110020 in words is "thirty trillion, two hundred twelve billion, thirty-one million, one hundred ten thousand, twenty".