3212231021 has 8 divisors (see below), whose sum is σ = 3299074944. Its totient is φ = 3125939040.

The previous prime is 3212231017. The next prime is 3212231041. The reversal of 3212231021 is 1201322123.

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

It is a cyclic number.

It is not a de Polignac number, because 3212231021 - 2² = 3212231017 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 (3212231041) 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, 126176 + ... + 149481.

It is an arithmetic number, because the mean of its divisors is an integer number (412384368).

Almost surely, 2^3212231021 is an apocalyptic number.

It is an amenable number.

3212231021 is a deficient number, since it is larger than the sum of its proper divisors (86843923).

3212231021 is a wasteful number, since it uses less digits than its factorization.

3212231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275971.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3212231021 is about 56676.5473630848. The cubic root of 3212231021 is about 1475.4876902705.

Adding to 3212231021 its reverse (1201322123), we get a palindrome (4413553144).

The spelling of 3212231021 in words is "three billion, two hundred twelve million, two hundred thirty-one thousand, twenty-one".