3212130312 has 96 divisors (see below), whose sum is σ = 8845200000. Its totient is φ = 1052862720.

The previous prime is 3212130287. The next prime is 3212130373. The reversal of 3212130312 is 2130312123.

3212130312 is a `hidden beast` number, since 321 + 2 + 1 + 30 + 312 = 666.

3212130312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3212130312² = 20635562282538434688, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3061564 + ... + 3062612.

It is an arithmetic number, because the mean of its divisors is an integer number (92137500).

Almost surely, 2^3212130312 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 3212130312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4422600000).

3212130312 is an abundant number, since it is smaller than the sum of its proper divisors (5633069688).

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

3212130312 is a wasteful number, since it uses less digits than its factorization.

3212130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1724 counting only the distinct ones).

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

The square root of 3212130312 is about 56675.6589022130. The cubic root of 3212130312 is about 1475.4722704120.

Adding to 3212130312 its reverse (2130312123), we get a palindrome (5342442435).

The spelling of 3212130312 in words is "three billion, two hundred twelve million, one hundred thirty thousand, three hundred twelve".