12212120003 has 2 divisors, whose sum is σ = 12212120004. Its totient is φ = 12212120002.

The previous prime is 12212119981. The next prime is 12212120033. The reversal of 12212120003 is 30002121221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12212120003 - 2⁶ = 12212119939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12212120003.

It is not a weakly prime, because it can be changed into another prime (12212120033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106060001 + 6106060002.

It is an arithmetic number, because the mean of its divisors is an integer number (6106060002).

Almost surely, 2^12212120003 is an apocalyptic number.

12212120003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212120003 is an equidigital number, since it uses as much as digits as its factorization.

12212120003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12212120003 its reverse (30002121221), we get a palindrome (42214241224).

The spelling of 12212120003 in words is "twelve billion, two hundred twelve million, one hundred twenty thousand, three".