300021312122 has 16 divisors (see below), whose sum is σ = 524026444032. Its totient is φ = 126154513680.

The previous prime is 300021312113. The next prime is 300021312127. The reversal of 300021312122 is 221213120003.

It is a self number, because there is not a number n which added to its sum of digits gives 300021312122.

It is not an unprimeable number, because it can be changed into a prime (300021312127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202169954 + ... + 202171437.

It is an arithmetic number, because the mean of its divisors is an integer number (32751652752).

Almost surely, 2^300021312122 is an apocalyptic number.

300021312122 is a deficient number, since it is larger than the sum of its proper divisors (224005131910).

300021312122 is a wasteful number, since it uses less digits than its factorization.

300021312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404341453.

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

Adding to 300021312122 its reverse (221213120003), we get a palindrome (521234432125).

The spelling of 300021312122 in words is "three hundred billion, twenty-one million, three hundred twelve thousand, one hundred twenty-two".