3212300221 has 16 divisors (see below), whose sum is σ = 3612067200. Its totient is φ = 2834504640.

The previous prime is 3212300219. The next prime is 3212300257. The reversal of 3212300221 is 1220032123.

It is a cyclic number.

It is not a de Polignac number, because 3212300221 - 2¹ = 3212300219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3212300195 and 3212300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212300621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781630 + ... + 785728.

It is an arithmetic number, because the mean of its divisors is an integer number (225754200).

Almost surely, 2^3212300221 is an apocalyptic number.

It is an amenable number.

3212300221 is a deficient number, since it is larger than the sum of its proper divisors (399766979).

3212300221 is a wasteful number, since it uses less digits than its factorization.

3212300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3212300221 is about 56677.1578415855. The cubic root of 3212300221 is about 1475.4982855042.

Adding to 3212300221 its reverse (1220032123), we get a palindrome (4432332344).

The spelling of 3212300221 in words is "three billion, two hundred twelve million, three hundred thousand, two hundred twenty-one".