2021012120300 has 144 divisors (see below), whose sum is σ = 4665245155200. Its totient is φ = 757306368000.

The previous prime is 2021012120251. The next prime is 2021012120327. The reversal of 2021012120300 is 30212101202.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 792863426 + ... + 792865974.

It is an arithmetic number, because the mean of its divisors is an integer number (32397535800).

Almost surely, 2^{2021012120300} is an apocalyptic number.

2021012120300 is a gapful number since it is divisible by the number (20) 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 2021012120300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2332622577600).

2021012120300 is an abundant number, since it is smaller than the sum of its proper divisors (2644233034900).

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

2021012120300 is a wasteful number, since it uses less digits than its factorization.

2021012120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572 (or 4565 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021012120300 its reverse (30212101202), we get a palindrome (2051224221502).

The spelling of 2021012120300 in words is "two trillion, twenty-one billion, twelve million, one hundred twenty thousand, three hundred".