2123110012 has 12 divisors (see below), whose sum is σ = 3716921376. Its totient is φ = 1061132480.

The previous prime is 2123110009. The next prime is 2123110019. The reversal of 2123110012 is 2100113212.

It is a super-2 number, since 2×2123110012² = 9015192246109280288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123109974 and 2123110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123110019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94189 + ... + 114532.

It is an arithmetic number, because the mean of its divisors is an integer number (309743448).

Almost surely, 2^2123110012 is an apocalyptic number.

It is an amenable number.

2123110012 is a deficient number, since it is larger than the sum of its proper divisors (1593811364).

2123110012 is a wasteful number, since it uses less digits than its factorization.

2123110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211268 (or 211266 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2123110012 is about 46077.2179281692. The cubic root of 2123110012 is about 1285.2595300107.

Adding to 2123110012 its reverse (2100113212), we get a palindrome (4223223224).

The spelling of 2123110012 in words is "two billion, one hundred twenty-three million, one hundred ten thousand, twelve".