3212232021 has 6 divisors (see below), whose sum is σ = 4639890710. Its totient is φ = 2141488008.

The previous prime is 3212232019. The next prime is 3212232029. The reversal of 3212232021 is 1202322123.

3212232021 is a `hidden beast` number, since 321 + 2 + 2 + 320 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2659464900 + 552767121 = 51570^2 + 23511^2 .

It is not a de Polignac number, because 3212232021 - 2¹ = 3212232019 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3212231985 and 3212232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212232029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178457326 + ... + 178457343.

Almost surely, 2^3212232021 is an apocalyptic number.

It is an amenable number.

3212232021 is a deficient number, since it is larger than the sum of its proper divisors (1427658689).

3212232021 is a wasteful number, since it uses less digits than its factorization.

3212232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356914675 (or 356914672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3212232021 is about 56676.5561850753. The cubic root of 3212232021 is about 1475.4878433819.

Adding to 3212232021 its reverse (1202322123), we get a palindrome (4414554144).

The spelling of 3212232021 in words is "three billion, two hundred twelve million, two hundred thirty-two thousand, twenty-one".