3122021212 has 24 divisors (see below), whose sum is σ = 5509677600. Its totient is φ = 1547854080.

The previous prime is 3122021209. The next prime is 3122021237. The reversal of 3122021212 is 2121202213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572137 + ... + 577567.

It is an arithmetic number, because the mean of its divisors is an integer number (229569900).

Almost surely, 2^3122021212 is an apocalyptic number.

It is an amenable number.

3122021212 is a deficient number, since it is larger than the sum of its proper divisors (2387656388).

3122021212 is a wasteful number, since it uses less digits than its factorization.

3122021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621 (or 6619 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3122021212 is about 55875.0499955034. The cubic root of 3122021212 is about 1461.5441865508.

Adding to 3122021212 its reverse (2121202213), we get a palindrome (5243223425).

The spelling of 3122021212 in words is "three billion, one hundred twenty-two million, twenty-one thousand, two hundred twelve".