300021340112 has 80 divisors (see below), whose sum is σ = 659160936000. Its totient is φ = 131142177792.

The previous prime is 300021340063. The next prime is 300021340117. The reversal of 300021340112 is 211043120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300021340117) 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, 14924564 + ... + 14944652.

It is an arithmetic number, because the mean of its divisors is an integer number (8239511700).

Almost surely, 2^300021340112 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 300021340112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329580468000).

300021340112 is an abundant number, since it is smaller than the sum of its proper divisors (359139595888).

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

300021340112 is a wasteful number, since it uses less digits than its factorization.

300021340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23908 (or 23902 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 300021340112 its reverse (211043120003), we get a palindrome (511064460115).

The spelling of 300021340112 in words is "three hundred billion, twenty-one million, three hundred forty thousand, one hundred twelve".