3321212120 has 16 divisors (see below), whose sum is σ = 7472727360. Its totient is φ = 1328484832.

The previous prime is 3321212119. The next prime is 3321212131. The reversal of 3321212120 is 212121233.

It is a super-2 number, since 2×3321212120² = 22060899892069788800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41515112 + ... + 41515191.

It is an arithmetic number, because the mean of its divisors is an integer number (467045460).

Almost surely, 2^3321212120 is an apocalyptic number.

It is an amenable number.

3321212120 is an abundant number, since it is smaller than the sum of its proper divisors (4151515240).

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

3321212120 is a wasteful number, since it uses less digits than its factorization.

3321212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83030314 (or 83030310 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3321212120 is about 57629.9585285292. The cubic root of 3321212120 is about 1491.9887142253.

Adding to 3321212120 its reverse (212121233), we get a palindrome (3533333353).

It can be divided in two parts, 3 and 321212120, that added together give a palindrome (321212123).

The spelling of 3321212120 in words is "three billion, three hundred twenty-one million, two hundred twelve thousand, one hundred twenty".