3213210120 has 128 divisors (see below), whose sum is σ = 10359446400. Its totient is φ = 794382336.

The previous prime is 3213210089. The next prime is 3213210157. The reversal of 3213210120 is 210123123.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3213210120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124926 + ... + 148434.

It is an arithmetic number, because the mean of its divisors is an integer number (80933175).

Almost surely, 2^3213210120 is an apocalyptic number.

3213210120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5179723200).

3213210120 is an abundant number, since it is smaller than the sum of its proper divisors (7146236280).

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

3213210120 is a wasteful number, since it uses less digits than its factorization.

3213210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23607 (or 23603 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3213210120 is about 56685.1843077184. The cubic root of 3213210120 is about 1475.6375862731.

Adding to 3213210120 its reverse (210123123), we get a palindrome (3423333243).

The spelling of 3213210120 in words is "three billion, two hundred thirteen million, two hundred ten thousand, one hundred twenty".