3102021221212 has 48 divisors (see below), whose sum is σ = 5542659763200. Its totient is φ = 1518618352320.

The previous prime is 3102021221183. The next prime is 3102021221227. The reversal of 3102021221212 is 2121221202013.

It is a self number, because there is not a number n which added to its sum of digits gives 3102021221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289011798 + ... + 289022530.

It is an arithmetic number, because the mean of its divisors is an integer number (115472078400).

Almost surely, 2^{3102021221212} is an apocalyptic number.

It is an amenable number.

3102021221212 is a deficient number, since it is larger than the sum of its proper divisors (2440638541988).

3102021221212 is a wasteful number, since it uses less digits than its factorization.

3102021221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15586 (or 15584 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 3102021221212 its reverse (2121221202013), we get a palindrome (5223242423225).

It can be divided in two parts, 3102021 and 221212, that added together give a palindrome (3323233).

The spelling of 3102021221212 in words is "three trillion, one hundred two billion, twenty-one million, two hundred twenty-one thousand, two hundred twelve".