3212454455221 has 16 divisors (see below), whose sum is σ = 3513454850880. Its totient is φ = 2912952430080.

The previous prime is 3212454455219. The next prime is 3212454455237. The reversal of 3212454455221 is 1225544542123.

It is not a de Polignac number, because 3212454455221 - 2¹ = 3212454455219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212454455521) 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, 12390565 + ... + 12647173.

It is an arithmetic number, because the mean of its divisors is an integer number (219590928180).

Almost surely, 2^{3212454455221} is an apocalyptic number.

It is an amenable number.

3212454455221 is a deficient number, since it is larger than the sum of its proper divisors (301000395659).

3212454455221 is a wasteful number, since it uses less digits than its factorization.

3212454455221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259524.

The product of its digits is 384000, while the sum is 40.

Adding to 3212454455221 its reverse (1225544542123), we get a palindrome (4437998997344).

The spelling of 3212454455221 in words is "three trillion, two hundred twelve billion, four hundred fifty-four million, four hundred fifty-five thousand, two hundred twenty-one".