12301020123 has 24 divisors (see below), whose sum is σ = 20201439312. Its totient is φ = 6615673344.

The previous prime is 12301020113. The next prime is 12301020181. The reversal of 12301020123 is 32102010321.

It is not a de Polignac number, because 12301020123 - 2⁸ = 12301019867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12301020113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2458690 + ... + 2463687.

It is an arithmetic number, because the mean of its divisors is an integer number (841726638).

Almost surely, 2^12301020123 is an apocalyptic number.

12301020123 is a deficient number, since it is larger than the sum of its proper divisors (7900419189).

12301020123 is a wasteful number, since it uses less digits than its factorization.

12301020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922411 (or 4922404 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12301020123 its reverse (32102010321), we get a palindrome (44403030444).

The spelling of 12301020123 in words is "twelve billion, three hundred one million, twenty thousand, one hundred twenty-three".