12020323210123 has 8 divisors (see below), whose sum is σ = 12241495571760. Its totient is φ = 11799732117600.

The previous prime is 12020323210117. The next prime is 12020323210177. The reversal of 12020323210123 is 32101232302021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020323210123 - 2⁹ = 12020323209611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020323210094 and 12020323210103.

It is not an unprimeable number, because it can be changed into a prime (12020323210523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145275540 + ... + 145358257.

It is an arithmetic number, because the mean of its divisors is an integer number (1530186946470).

Almost surely, 2^{12020323210123} is an apocalyptic number.

12020323210123 is a deficient number, since it is larger than the sum of its proper divisors (221172361637).

12020323210123 is an equidigital number, since it uses as much as digits as its factorization.

12020323210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290634557.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12020323210123 its reverse (32101232302021), we get a palindrome (44121555512144).

The spelling of 12020323210123 in words is "twelve trillion, twenty billion, three hundred twenty-three million, two hundred ten thousand, one hundred twenty-three".