3521620101212 has 24 divisors (see below), whose sum is σ = 6431668742016. Its totient is φ = 1684021513328.

The previous prime is 3521620101203. The next prime is 3521620101271. The reversal of 3521620101212 is 2121010261253.

3521620101212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957898 + ... + 3297969.

It is an arithmetic number, because the mean of its divisors is an integer number (267986197584).

Almost surely, 2^{3521620101212} is an apocalyptic number.

It is an amenable number.

3521620101212 is a deficient number, since it is larger than the sum of its proper divisors (2910048640804).

3521620101212 is a wasteful number, since it uses less digits than its factorization.

3521620101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263177 (or 5263175 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 3521620101212 its reverse (2121010261253), we get a palindrome (5642630362465).

The spelling of 3521620101212 in words is "three trillion, five hundred twenty-one billion, six hundred twenty million, one hundred one thousand, two hundred twelve".