3021122412 has 144 divisors (see below), whose sum is σ = 9572140032. Its totient is φ = 780503040.

The previous prime is 3021122407. The next prime is 3021122413. The reversal of 3021122412 is 2142211203.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3021122413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 532173 + ... + 537819.

Almost surely, 2^3021122412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3021122412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4786070016).

3021122412 is an abundant number, since it is smaller than the sum of its proper divisors (6551017620).

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

3021122412 is a wasteful number, since it uses less digits than its factorization.

3021122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868 (or 5863 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3021122412 is about 54964.7378962185. The cubic root of 3021122412 is about 1445.6265226923.

Adding to 3021122412 its reverse (2142211203), we get a palindrome (5163333615).

The spelling of 3021122412 in words is "three billion, twenty-one million, one hundred twenty-two thousand, four hundred twelve".