3213232120 has 192 divisors, whose sum is σ = 8848465920. Its totient is φ = 1028429568.

The previous prime is 3213232117. The next prime is 3213232123. The reversal of 3213232120 is 212323123.

It is an interprime number because it is at equal distance from previous prime (3213232117) and next prime (3213232123).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213232123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8389449 + ... + 8389831.

It is an arithmetic number, because the mean of its divisors is an integer number (46085760).

Almost surely, 2^3213232120 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 3213232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4424232960).

3213232120 is an abundant number, since it is smaller than the sum of its proper divisors (5635233800).

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

3213232120 is a wasteful number, since it uses less digits than its factorization.

3213232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3213232120 is about 56685.3783616199. The cubic root of 3213232120 is about 1475.6409540322.

Adding to 3213232120 its reverse (212323123), we get a palindrome (3425555243).

The spelling of 3213232120 in words is "three billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred twenty".