12301012123 has 2 divisors, whose sum is σ = 12301012124. Its totient is φ = 12301012122.

The previous prime is 12301012121. The next prime is 12301012147. The reversal of 12301012123 is 32121010321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12301012123 - 2¹ = 12301012121 is a prime.

Together with 12301012121, it forms a pair of twin primes.

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 = 12301012097 and 12301012106.

It is not a weakly prime, because it can be changed into another prime (12301012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150506061 + 6150506062.

It is an arithmetic number, because the mean of its divisors is an integer number (6150506062).

Almost surely, 2^12301012123 is an apocalyptic number.

12301012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301012123 is an equidigital number, since it uses as much as digits as its factorization.

12301012123 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 16.

Adding to 12301012123 its reverse (32121010321), we get a palindrome (44422022444).

The spelling of 12301012123 in words is "twelve billion, three hundred one million, twelve thousand, one hundred twenty-three".