12213310300021 has 4 divisors (see below), whose sum is σ = 12281541084000. Its totient is φ = 12145079516044.

The previous prime is 12213310300013. The next prime is 12213310300027. The reversal of 12213310300021 is 12000301331221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12213310300021 - 2³ = 12213310300013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213310300027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34115391721 + ... + 34115392078.

It is an arithmetic number, because the mean of its divisors is an integer number (3070385271000).

Almost surely, 2^{12213310300021} is an apocalyptic number.

It is an amenable number.

12213310300021 is a deficient number, since it is larger than the sum of its proper divisors (68230783979).

12213310300021 is an equidigital number, since it uses as much as digits as its factorization.

12213310300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68230783978.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12213310300021 its reverse (12000301331221), we get a palindrome (24213611631242).

The spelling of 12213310300021 in words is "twelve trillion, two hundred thirteen billion, three hundred ten million, three hundred thousand, twenty-one".