12021303130123 has 16 divisors (see below), whose sum is σ = 13998090168000. Its totient is φ = 10109387223936.

The previous prime is 12021303130073. The next prime is 12021303130253. The reversal of 12021303130123 is 32103130312021.

12021303130123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12021303130123 - 2³³ = 12012713195531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021303130094 and 12021303130103.

It is not an unprimeable number, because it can be changed into a prime (12021303130723) 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, 24521161 + ... + 25006597.

It is an arithmetic number, because the mean of its divisors is an integer number (874880635500).

Almost surely, 2^{12021303130123} is an apocalyptic number.

12021303130123 is a deficient number, since it is larger than the sum of its proper divisors (1976787037877).

12021303130123 is an equidigital number, since it uses as much as digits as its factorization.

12021303130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552246.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12021303130123 its reverse (32103130312021), we get a palindrome (44124433442144).

The spelling of 12021303130123 in words is "twelve trillion, twenty-one billion, three hundred three million, one hundred thirty thousand, one hundred twenty-three".