3124840212 has 72 divisors (see below), whose sum is σ = 8590862280. Its totient is φ = 951955200.

The previous prime is 3124840211. The next prime is 3124840223. The reversal of 3124840212 is 2120484213.

3124840212 is a `hidden beast` number, since 3 + 1 + 248 + 402 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 923916816 + 2200923396 = 30396^2 + 46914^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124840211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14214 + ... + 80322.

Almost surely, 2^3124840212 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 3124840212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4295431140).

3124840212 is an abundant number, since it is smaller than the sum of its proper divisors (5466022068).

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

3124840212 is a wasteful number, since it uses less digits than its factorization.

3124840212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66233 (or 66228 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 3124840212 is about 55900.2702319050. The cubic root of 3124840212 is about 1461.9839501246.

The spelling of 3124840212 in words is "three billion, one hundred twenty-four million, eight hundred forty thousand, two hundred twelve".