12123011003 has 2 divisors, whose sum is σ = 12123011004. Its totient is φ = 12123011002.

The previous prime is 12123010987. The next prime is 12123011053. The reversal of 12123011003 is 30011032121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12123011003 - 2⁴ = 12123010987 is a prime.

It is not a weakly prime, because it can be changed into another prime (12123011053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061505501 + 6061505502.

It is an arithmetic number, because the mean of its divisors is an integer number (6061505502).

Almost surely, 2^12123011003 is an apocalyptic number.

12123011003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123011003 is an equidigital number, since it uses as much as digits as its factorization.

12123011003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12123011003 its reverse (30011032121), we get a palindrome (42134043124).

The spelling of 12123011003 in words is "twelve billion, one hundred twenty-three million, eleven thousand, three".