300212012221 has 16 divisors (see below), whose sum is σ = 328547520000. Its totient is φ = 272051722800.

The previous prime is 300212012207. The next prime is 300212012251. The reversal of 300212012221 is 122210212003.

It is a happy number.

It is not a de Polignac number, because 300212012221 - 2¹⁷ = 300211881149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300212012195 and 300212012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300212012201) 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, 4683216 + ... + 4746886.

It is an arithmetic number, because the mean of its divisors is an integer number (20534220000).

Almost surely, 2^300212012221 is an apocalyptic number.

It is an amenable number.

300212012221 is a deficient number, since it is larger than the sum of its proper divisors (28335507779).

300212012221 is a wasteful number, since it uses less digits than its factorization.

300212012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65040.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 300212012221 its reverse (122210212003), we get a palindrome (422422224224).

The spelling of 300212012221 in words is "three hundred billion, two hundred twelve million, twelve thousand, two hundred twenty-one".