3214212021 has 6 divisors (see below), whose sum is σ = 4642750710. Its totient is φ = 2142808008.

The previous prime is 3214212011. The next prime is 3214212041. The reversal of 3214212021 is 1202124123.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3126039921 + 88172100 = 55911^2 + 9390^2 .

It is not a de Polignac number, because 3214212021 - 2⁵ = 3214211989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3214211985 and 3214212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3214212011) 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, 178567326 + ... + 178567343.

It is an arithmetic number, because the mean of its divisors is an integer number (773791785).

Almost surely, 2^3214212021 is an apocalyptic number.

It is an amenable number.

3214212021 is a deficient number, since it is larger than the sum of its proper divisors (1428538689).

3214212021 is a wasteful number, since it uses less digits than its factorization.

3214212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357134675 (or 357134672 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3214212021 is about 56694.0210339679. The cubic root of 3214212021 is about 1475.7909416490.

Adding to 3214212021 its reverse (1202124123), we get a palindrome (4416336144).

The spelling of 3214212021 in words is "three billion, two hundred fourteen million, two hundred twelve thousand, twenty-one".