30202112020000 has 120 divisors (see below), whose sum is σ = 74306188155276. Its totient is φ = 12080119296000.

The previous prime is 30202112019923. The next prime is 30202112020007. The reversal of 30202112020000 is 2021120203.

It can be written as a sum of positive squares in 10 ways, for example, as 3535257331984 + 26666854688016 = 1880228^2 + 5163996^2 .

It is not an unprimeable number, because it can be changed into a prime (30202112020007) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 439505644 + ... + 439574356.

Almost surely, 2^{30202112020000} 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 30202112020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37153094077638).

30202112020000 is an abundant number, since it is smaller than the sum of its proper divisors (44104076135276).

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

30202112020000 is an equidigital number, since it uses as much as digits as its factorization.

30202112020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90720 (or 90697 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30202112020000 its reverse (2021120203), we get a palindrome (30204133140203).

The spelling of 30202112020000 in words is "thirty trillion, two hundred two billion, one hundred twelve million, twenty thousand".