123212101003 has 2 divisors, whose sum is σ = 123212101004. Its totient is φ = 123212101002.

The previous prime is 123212100953. The next prime is 123212101009. The reversal of 123212101003 is 300101212321.

It is a strong prime.

It is an emirp because it is prime and its reverse (300101212321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123212101003 is a prime.

It is not a weakly prime, because it can be changed into another prime (123212101009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606050501 + 61606050502.

It is an arithmetic number, because the mean of its divisors is an integer number (61606050502).

Almost surely, 2^123212101003 is an apocalyptic number.

123212101003 is a deficient number, since it is larger than the sum of its proper divisors (1).

123212101003 is an equidigital number, since it uses as much as digits as its factorization.

123212101003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123212101003 its reverse (300101212321), we get a palindrome (423313313324).

The spelling of 123212101003 in words is "one hundred twenty-three billion, two hundred twelve million, one hundred one thousand, three".