3213120013120 has 56 divisors (see below), whose sum is σ = 7661296806408. Its totient is φ = 1283559014400.

The previous prime is 3213120013093. The next prime is 3213120013123. The reversal of 3213120013120 is 213100213123.

It can be written as a sum of positive squares in 4 ways, for example, as 200173918464 + 3012946094656 = 447408^2 + 1735784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213120013123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6353721 + ... + 6840760.

It is an arithmetic number, because the mean of its divisors is an integer number (136808871543).

Almost surely, 2^{3213120013120} is an apocalyptic number.

It is an amenable number.

3213120013120 is an abundant number, since it is smaller than the sum of its proper divisors (4448176793288).

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

3213120013120 is a wasteful number, since it uses less digits than its factorization.

3213120013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195259 (or 13195249 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3213120013120 its reverse (213100213123), we get a palindrome (3426220226243).

The spelling of 3213120013120 in words is "three trillion, two hundred thirteen billion, one hundred twenty million, thirteen thousand, one hundred twenty".