12030203200123 has 2 divisors, whose sum is σ = 12030203200124. Its totient is φ = 12030203200122.

The previous prime is 12030203200111. The next prime is 12030203200207. The reversal of 12030203200123 is 32100230203021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12030203200123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12030203200123.

It is not a weakly prime, because it can be changed into another prime (12030203200423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015101600061 + 6015101600062.

It is an arithmetic number, because the mean of its divisors is an integer number (6015101600062).

Almost surely, 2^{12030203200123} is an apocalyptic number.

12030203200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030203200123 is an equidigital number, since it uses as much as digits as its factorization.

12030203200123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12030203200123 its reverse (32100230203021), we get a palindrome (44130433403144).

The spelling of 12030203200123 in words is "twelve trillion, thirty billion, two hundred three million, two hundred thousand, one hundred twenty-three".