2113123233112 has 32 divisors (see below), whose sum is σ = 3993009415920. Its totient is φ = 1048328386560.

The previous prime is 2113123233043. The next prime is 2113123233113. The reversal of 2113123233112 is 2113323213112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113123233113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732687 + ... + 2688577.

Almost surely, 2^{2113123233112} is an apocalyptic number.

It is an amenable number.

2113123233112 is a deficient number, since it is larger than the sum of its proper divisors (1879886182808).

2113123233112 is a wasteful number, since it uses less digits than its factorization.

2113123233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958051 (or 958047 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

Adding to 2113123233112 its reverse (2113323213112), we get a palindrome (4226446446224).

The spelling of 2113123233112 in words is "two trillion, one hundred thirteen billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred twelve".