3122322012 has 48 divisors (see below), whose sum is σ = 8131271680. Its totient is φ = 1036098864.

The previous prime is 3122322011. The next prime is 3122322019. The reversal of 3122322012 is 2102232213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122322011) 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 15 ways as a sum of consecutive naturals, for example, 40738 + ... + 88905.

Almost surely, 2^3122322012 is an apocalyptic number.

It is an amenable number.

3122322012 is an abundant number, since it is smaller than the sum of its proper divisors (5008949668).

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

3122322012 is a wasteful number, since it uses less digits than its factorization.

3122322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129879 (or 129871 counting only the distinct ones).

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

The square root of 3122322012 is about 55877.7416508577. The cubic root of 3122322012 is about 1461.5911239185.

Adding to 3122322012 its reverse (2102232213), we get a palindrome (5224554225).

It can be divided in two parts, 31223 and 22012, that added together give a palindrome (53235).

The spelling of 3122322012 in words is "three billion, one hundred twenty-two million, three hundred twenty-two thousand, twelve".