3212132221 has 8 divisors (see below), whose sum is σ = 3269412000. Its totient is φ = 3154947120.

The previous prime is 3212132213. The next prime is 3212132281. The reversal of 3212132221 is 1222312123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3212132221 - 2³ = 3212132213 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 (3212132281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46630 + ... + 92728.

It is an arithmetic number, because the mean of its divisors is an integer number (408676500).

Almost surely, 2^3212132221 is an apocalyptic number.

It is an amenable number.

3212132221 is a deficient number, since it is larger than the sum of its proper divisors (57279779).

3212132221 is a wasteful number, since it uses less digits than its factorization.

3212132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47339.

The product of its digits is 288, while the sum is 19.

The square root of 3212132221 is about 56675.6757436557. The cubic root of 3212132221 is about 1475.4725627078.

Adding to 3212132221 its reverse (1222312123), we get a palindrome (4434444344).

The spelling of 3212132221 in words is "three billion, two hundred twelve million, one hundred thirty-two thousand, two hundred twenty-one".