2012123230 has 128 divisors (see below), whose sum is σ = 4263985152. Its totient is φ = 676988928.

The previous prime is 2012123227. The next prime is 2012123249. The reversal of 2012123230 is 323212102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15843427 + ... + 15843553.

It is an arithmetic number, because the mean of its divisors is an integer number (33312384).

Almost surely, 2^2012123230 is an apocalyptic number.

2012123230 is an abundant number, since it is smaller than the sum of its proper divisors (2251861922).

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

2012123230 is a wasteful number, since it uses less digits than its factorization.

2012123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2012123230 is about 44856.6966015109. The cubic root of 2012123230 is about 1262.4616422029.

Adding to 2012123230 its reverse (323212102), we get a palindrome (2335335332).

The spelling of 2012123230 in words is "two billion, twelve million, one hundred twenty-three thousand, two hundred thirty".