12103203001 has 2 divisors, whose sum is σ = 12103203002. Its totient is φ = 12103203000.

The previous prime is 12103202999. The next prime is 12103203011. The reversal of 12103203001 is 10030230121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6127758400 + 5975444601 = 78280^2 + 77301^2 .

It is an emirp because it is prime and its reverse (10030230121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12103203001 - 2¹ = 12103202999 is a prime.

Together with 12103202999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12103203011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051601500 + 6051601501.

It is an arithmetic number, because the mean of its divisors is an integer number (6051601501).

Almost surely, 2^12103203001 is an apocalyptic number.

It is an amenable number.

12103203001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103203001 is an equidigital number, since it uses as much as digits as its factorization.

12103203001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12103203001 its reverse (10030230121), we get a palindrome (22133433122).

The spelling of 12103203001 in words is "twelve billion, one hundred three million, two hundred three thousand, one".