3212031312 has 120 divisors (see below), whose sum is σ = 10302150144. Its totient is φ = 915155712.

The previous prime is 3212031299. The next prime is 3212031349. The reversal of 3212031312 is 2131302123.

3212031312 is a `hidden beast` number, since 321 + 2 + 0 + 31 + 312 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371713 + ... + 380255.

Almost surely, 2^3212031312 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 3212031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5151075072).

3212031312 is an abundant number, since it is smaller than the sum of its proper divisors (7090118832).

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

3212031312 is a wasteful number, since it uses less digits than its factorization.

3212031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8937 (or 8928 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3212031312 is about 56674.7855046669. The cubic root of 3212031312 is about 1475.4571119096.

Adding to 3212031312 its reverse (2131302123), we get a palindrome (5343333435).

The spelling of 3212031312 in words is "three billion, two hundred twelve million, thirty-one thousand, three hundred twelve".