2012120323 has 4 divisors (see below), whose sum is σ = 2130480360. Its totient is φ = 1893760288.

The previous prime is 2012120263. The next prime is 2012120329. The reversal of 2012120323 is 3230212102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2012120323 - 2²⁹ = 1475249411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012120297 and 2012120306.

It is not an unprimeable number, because it can be changed into a prime (2012120329) 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, 59179993 + ... + 59180026.

It is an arithmetic number, because the mean of its divisors is an integer number (532620090).

Almost surely, 2^2012120323 is an apocalyptic number.

2012120323 is a deficient number, since it is larger than the sum of its proper divisors (118360037).

2012120323 is a wasteful number, since it uses less digits than its factorization.

2012120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118360036.

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

The square root of 2012120323 is about 44856.6641983106. The cubic root of 2012120323 is about 1262.4610342253.

Adding to 2012120323 its reverse (3230212102), we get a palindrome (5242332425).

The spelling of 2012120323 in words is "two billion, twelve million, one hundred twenty thousand, three hundred twenty-three".