12300212221 has 32 divisors (see below), whose sum is σ = 14506905600. Its totient is φ = 10320434880.

The previous prime is 12300212173. The next prime is 12300212233. The reversal of 12300212221 is 12221200321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12300212221 - 2¹¹ = 12300210173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12300212195 and 12300212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300212321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635160 + ... + 654238.

It is an arithmetic number, because the mean of its divisors is an integer number (453340800).

Almost surely, 2^12300212221 is an apocalyptic number.

12300212221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12300212221 is a deficient number, since it is larger than the sum of its proper divisors (2206693379).

12300212221 is a wasteful number, since it uses less digits than its factorization.

12300212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19209.

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

Adding to 12300212221 its reverse (12221200321), we get a palindrome (24521412542).

The spelling of 12300212221 in words is "twelve billion, three hundred million, two hundred twelve thousand, two hundred twenty-one".