3221202101212 has 12 divisors (see below), whose sum is σ = 5659037934480. Its totient is φ = 1604334119936.

The previous prime is 3221202101177. The next prime is 3221202101237. The reversal of 3221202101212 is 2121012021223.

It is a super-2 number, since 2×3221202101212² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3221202101212.

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, 1566731512 + ... + 1566733567.

It is an arithmetic number, because the mean of its divisors is an integer number (471586494540).

Almost surely, 2^{3221202101212} is an apocalyptic number.

It is an amenable number.

3221202101212 is a deficient number, since it is larger than the sum of its proper divisors (2437835833268).

3221202101212 is a wasteful number, since it uses less digits than its factorization.

3221202101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133465340 (or 3133465338 counting only the distinct ones).

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

Adding to 3221202101212 its reverse (2121012021223), we get a palindrome (5342214122435).

The spelling of 3221202101212 in words is "three trillion, two hundred twenty-one billion, two hundred two million, one hundred one thousand, two hundred twelve".