667212106003 has 2 divisors, whose sum is σ = 667212106004. Its totient is φ = 667212106002.

The previous prime is 667212105983. The next prime is 667212106037. The reversal of 667212106003 is 300601212766.

It is a happy number.

It is an a-pointer prime, because the next prime (667212106037) can be obtained adding 667212106003 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667212106003 - 2²¹ = 667210008851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667212106003.

It is not a weakly prime, because it can be changed into another prime (667212106903) 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, 333606053001 + 333606053002.

It is an arithmetic number, because the mean of its divisors is an integer number (333606053002).

Almost surely, 2^667212106003 is an apocalyptic number.

667212106003 is a deficient number, since it is larger than the sum of its proper divisors (1).

667212106003 is an equidigital number, since it uses as much as digits as its factorization.

667212106003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 667212106003 its reverse (300601212766), we get a palindrome (967813318769).

The spelling of 667212106003 in words is "six hundred sixty-seven billion, two hundred twelve million, one hundred six thousand, three".