3212320233221 has 48 divisors (see below), whose sum is σ = 3819432415680. Its totient is φ = 2690574163200.

The previous prime is 3212320233217. The next prime is 3212320233233. The reversal of 3212320233221 is 1223320232123.

It is not a de Polignac number, because 3212320233221 - 2² = 3212320233217 is a prime.

It is a super-2 number, since 2×3212320233221² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212320233251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29826350 + ... + 29933856.

It is an arithmetic number, because the mean of its divisors is an integer number (79571508660).

Almost surely, 2^{3212320233221} is an apocalyptic number.

It is an amenable number.

3212320233221 is a deficient number, since it is larger than the sum of its proper divisors (607112182459).

3212320233221 is a wasteful number, since it uses less digits than its factorization.

3212320233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107906 (or 107895 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 3212320233221 its reverse (1223320232123), we get a palindrome (4435640465344).

The spelling of 3212320233221 in words is "three trillion, two hundred twelve billion, three hundred twenty million, two hundred thirty-three thousand, two hundred twenty-one".