12000030403 has 2 divisors, whose sum is σ = 12000030404. Its totient is φ = 12000030402.

The previous prime is 12000030389. The next prime is 12000030409. The reversal of 12000030403 is 30403000021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000030403 is a prime.

It is not a weakly prime, because it can be changed into another prime (12000030409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000015201 + 6000015202.

It is an arithmetic number, because the mean of its divisors is an integer number (6000015202).

Almost surely, 2^12000030403 is an apocalyptic number.

12000030403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000030403 is an equidigital number, since it uses as much as digits as its factorization.

12000030403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 12000030403 its reverse (30403000021), we get a palindrome (42403030424).

The spelling of 12000030403 in words is "twelve billion, thirty thousand, four hundred three".