3231013212 has 120 divisors (see below), whose sum is σ = 9696862560. Its totient is φ = 918967680.

The previous prime is 3231013199. The next prime is 3231013229. The reversal of 3231013212 is 2123101323.

3231013212 is a `hidden beast` number, since 32 + 310 + 1 + 321 + 2 = 666.

It is a super-2 number, since 2×3231013212² = 20878892752237113888, which contains 22 as substring.

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 516262 + ... + 522482.

It is an arithmetic number, because the mean of its divisors is an integer number (80807188).

Almost surely, 2^3231013212 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 3231013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4848431280).

3231013212 is an abundant number, since it is smaller than the sum of its proper divisors (6465849348).

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

3231013212 is a wasteful number, since it uses less digits than its factorization.

3231013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473 (or 6462 counting only the distinct ones).

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

The square root of 3231013212 is about 56842.0021814855. The cubic root of 3231013212 is about 1478.3578712538.

Adding to 3231013212 its reverse (2123101323), we get a palindrome (5354114535).

It can be divided in two parts, 323101321 and 2, that added together give a palindrome (323101323).

The spelling of 3231013212 in words is "three billion, two hundred thirty-one million, thirteen thousand, two hundred twelve".