3212323521 has 32 divisors (see below), whose sum is σ = 4966241280. Its totient is φ = 1826452800.

The previous prime is 3212323507. The next prime is 3212323531. The reversal of 3212323521 is 1253232123.

It is a happy number.

It is not a de Polignac number, because 3212323521 - 2²⁹ = 2675452609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3212323491 and 3212323500.

It is not an unprimeable number, because it can be changed into a prime (3212323531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39711 + ... + 89451.

It is an arithmetic number, because the mean of its divisors is an integer number (155195040).

Almost surely, 2^3212323521 is an apocalyptic number.

It is an amenable number.

3212323521 is a deficient number, since it is larger than the sum of its proper divisors (1753917759).

3212323521 is a wasteful number, since it uses less digits than its factorization.

3212323521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49877.

The product of its digits is 2160, while the sum is 24.

The square root of 3212323521 is about 56677.3633913929. The cubic root of 3212323521 is about 1475.5018529402.

Adding to 3212323521 its reverse (1253232123), we get a palindrome (4465555644).

The spelling of 3212323521 in words is "three billion, two hundred twelve million, three hundred twenty-three thousand, five hundred twenty-one".