3213213412 has 6 divisors (see below), whose sum is σ = 5623123478. Its totient is φ = 1606606704.

The previous prime is 3213213389. The next prime is 3213213449. The reversal of 3213213412 is 2143123123.

It can be written as a sum of positive squares in only one way, i.e., 1875409636 + 1337803776 = 43306^2 + 36576^2 .

It is a super-3 number, since 3×3213213412³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401651673 + ... + 401651680.

Almost surely, 2^3213213412 is an apocalyptic number.

It is an amenable number.

3213213412 is a deficient number, since it is larger than the sum of its proper divisors (2409910066).

3213213412 is a wasteful number, since it uses less digits than its factorization.

3213213412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803303357 (or 803303355 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 3213213412 is about 56685.2133452808. The cubic root of 3213213412 is about 1475.6380902133.

Adding to 3213213412 its reverse (2143123123), we get a palindrome (5356336535).

The spelling of 3213213412 in words is "three billion, two hundred thirteen million, two hundred thirteen thousand, four hundred twelve".