12030113123 has 16 divisors (see below), whose sum is σ = 14423132160. Its totient is φ = 9815719200.

The previous prime is 12030113119. The next prime is 12030113129. The reversal of 12030113123 is 32131103021.

It is not a de Polignac number, because 12030113123 - 2² = 12030113119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030113129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402923 + ... + 431748.

It is an arithmetic number, because the mean of its divisors is an integer number (901445760).

Almost surely, 2^12030113123 is an apocalyptic number.

12030113123 is a deficient number, since it is larger than the sum of its proper divisors (2393019037).

12030113123 is an equidigital number, since it uses as much as digits as its factorization.

12030113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834778.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12030113123 its reverse (32131103021), we get a palindrome (44161216144).

The spelling of 12030113123 in words is "twelve billion, thirty million, one hundred thirteen thousand, one hundred twenty-three".