2012231322 has 40 divisors (see below), whose sum is σ = 4511687796. Its totient is φ = 670327488.

The previous prime is 2012231281. The next prime is 2012231327. The reversal of 2012231322 is 2231322102.

It can be written as a sum of positive squares in 2 ways, for example, as 1767277521 + 244953801 = 42039^2 + 15651^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2012231295 and 2012231304.

It is not an unprimeable number, because it can be changed into a prime (2012231327) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 368758 + ... + 374174.

Almost surely, 2^2012231322 is an apocalyptic number.

2012231322 is an abundant number, since it is smaller than the sum of its proper divisors (2499456474).

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

2012231322 is a wasteful number, since it uses less digits than its factorization.

2012231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724 (or 7715 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2012231322 is about 44857.9014444501. The cubic root of 2012231322 is about 1262.4842484327.

Adding to 2012231322 its reverse (2231322102), we get a palindrome (4243553424).

The spelling of 2012231322 in words is "two billion, twelve million, two hundred thirty-one thousand, three hundred twenty-two".