12103030327 has 2 divisors, whose sum is σ = 12103030328. Its totient is φ = 12103030326.

The previous prime is 12103030321. The next prime is 12103030361. The reversal of 12103030327 is 72303030121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12103030327 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12103030298 and 12103030307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103030321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051515163 + 6051515164.

It is an arithmetic number, because the mean of its divisors is an integer number (6051515164).

Almost surely, 2^12103030327 is an apocalyptic number.

12103030327 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103030327 is an equidigital number, since it uses as much as digits as its factorization.

12103030327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 12103030327 its reverse (72303030121), we get a palindrome (84406060448).

The spelling of 12103030327 in words is "twelve billion, one hundred three million, thirty thousand, three hundred twenty-seven".