2112330133123 has 6 divisors (see below), whose sum is σ = 2457200358996. Its totient is φ = 1810568685492.

The previous prime is 2112330133117. The next prime is 2112330133141. The reversal of 2112330133123 is 3213310332112.

It is a de Polignac number, because none of the positive numbers 2^k-2112330133123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112330133523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21554389065 + ... + 21554389162.

It is an arithmetic number, because the mean of its divisors is an integer number (409533393166).

Almost surely, 2^{2112330133123} is an apocalyptic number.

2112330133123 is a deficient number, since it is larger than the sum of its proper divisors (344870225873).

2112330133123 is an equidigital number, since it uses as much as digits as its factorization.

2112330133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43108778241 (or 43108778234 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2112330133123 its reverse (3213310332112), we get a palindrome (5325640465235).

The spelling of 2112330133123 in words is "two trillion, one hundred twelve billion, three hundred thirty million, one hundred thirty-three thousand, one hundred twenty-three".