300012223100 has 144 divisors (see below), whose sum is σ = 685081152000. Its totient is φ = 113819692800.

The previous prime is 300012223079. The next prime is 300012223103. The reversal of 300012223100 is 1322210003.

It is a happy number.

It is a super-2 number, since 2×300012223100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300012223103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198551345 + ... + 198552855.

It is an arithmetic number, because the mean of its divisors is an integer number (4757508000).

Almost surely, 2^300012223100 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 300012223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342540576000).

300012223100 is an abundant number, since it is smaller than the sum of its proper divisors (385068928900).

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

300012223100 is a wasteful number, since it uses less digits than its factorization.

300012223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 300012223100 its reverse (1322210003), we get a palindrome (301334433103).

The spelling of 300012223100 in words is "three hundred billion, twelve million, two hundred twenty-three thousand, one hundred".