12212100020233 has 2 divisors, whose sum is σ = 12212100020234. Its totient is φ = 12212100020232.

The previous prime is 12212100020149. The next prime is 12212100020297. The reversal of 12212100020233 is 33202000121221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12206722291344 + 5377728889 = 3493812^2 + 73333^2 .

It is an emirp because it is prime and its reverse (33202000121221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212100020233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12212100020233.

It is not a weakly prime, because it can be changed into another prime (12212100020033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106050010116 + 6106050010117.

It is an arithmetic number, because the mean of its divisors is an integer number (6106050010117).

Almost surely, 2^{12212100020233} is an apocalyptic number.

It is an amenable number.

12212100020233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212100020233 is an equidigital number, since it uses as much as digits as its factorization.

12212100020233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12212100020233 its reverse (33202000121221), we get a palindrome (45414100141454).

The spelling of 12212100020233 in words is "twelve trillion, two hundred twelve billion, one hundred million, twenty thousand, two hundred thirty-three".