2123320232112 has 20 divisors (see below), whose sum is σ = 5485243933080. Its totient is φ = 707773410688.

The previous prime is 2123320232071. The next prime is 2123320232119. The reversal of 2123320232112 is 2112320233212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2123320232119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22117919037 + ... + 22117919132.

It is an arithmetic number, because the mean of its divisors is an integer number (274262196654).

Almost surely, 2^{2123320232112} is an apocalyptic number.

It is an amenable number.

2123320232112 is an abundant number, since it is smaller than the sum of its proper divisors (3361923700968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123320232112 is a wasteful number, since it uses less digits than its factorization.

2123320232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44235838180 (or 44235838174 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2123320232112 its reverse (2112320233212), we get a palindrome (4235640465324).

The spelling of 2123320232112 in words is "two trillion, one hundred twenty-three billion, three hundred twenty million, two hundred thirty-two thousand, one hundred twelve".